diff options
43 files changed, 250 insertions, 181 deletions
diff --git a/drivers/crypto/chelsio/chcr_algo.h b/drivers/crypto/chelsio/chcr_algo.h index f58c2b5c7fc5..d4f6e010dc79 100644 --- a/drivers/crypto/chelsio/chcr_algo.h +++ b/drivers/crypto/chelsio/chcr_algo.h @@ -389,10 +389,6 @@ static inline void copy_hash_init_values(char *key, int digestsize) } } -static const u8 sgl_lengths[20] = { - 0, 1, 2, 3, 4, 4, 5, 6, 7, 7, 8, 9, 10, 10, 11, 12, 13, 13, 14, 15 -}; - /* Number of len fields(8) * size of one addr field */ #define PHYSDSGL_MAX_LEN_SIZE 16 diff --git a/drivers/crypto/chelsio/chtls/chtls_cm.c b/drivers/crypto/chelsio/chtls/chtls_cm.c index 9a642c79a657..f200fae6f7cb 100644 --- a/drivers/crypto/chelsio/chtls/chtls_cm.c +++ b/drivers/crypto/chelsio/chtls/chtls_cm.c @@ -93,8 +93,10 @@ static struct net_device *chtls_find_netdev(struct chtls_dev *cdev, struct sock *sk) { struct net_device *ndev = cdev->ports[0]; +#if IS_ENABLED(CONFIG_IPV6) struct net_device *temp; int addr_type; +#endif switch (sk->sk_family) { case PF_INET: @@ -102,19 +104,21 @@ static struct net_device *chtls_find_netdev(struct chtls_dev *cdev, return ndev; ndev = ip_dev_find(&init_net, inet_sk(sk)->inet_rcv_saddr); break; +#if IS_ENABLED(CONFIG_IPV6) case PF_INET6: addr_type = ipv6_addr_type(&sk->sk_v6_rcv_saddr); if (likely(addr_type == IPV6_ADDR_ANY)) return ndev; - for_each_netdev_rcu(&init_net, temp) { - if (ipv6_chk_addr(&init_net, (struct in6_addr *) - &sk->sk_v6_rcv_saddr, temp, 1)) { - ndev = temp; - break; + for_each_netdev_rcu(&init_net, temp) { + if (ipv6_chk_addr(&init_net, (struct in6_addr *) + &sk->sk_v6_rcv_saddr, temp, 1)) { + ndev = temp; + break; + } } - } break; +#endif default: return NULL; } @@ -476,8 +480,10 @@ void chtls_destroy_sock(struct sock *sk) csk->cdev = NULL; if (sk->sk_family == AF_INET) sk->sk_prot = &tcp_prot; +#if IS_ENABLED(CONFIG_IPV6) else sk->sk_prot = &tcpv6_prot; +#endif sk->sk_prot->destroy(sk); } @@ -629,14 +635,15 @@ static void chtls_reset_synq(struct listen_ctx *listen_ctx) int chtls_listen_start(struct chtls_dev *cdev, struct sock *sk) { struct net_device *ndev; +#if IS_ENABLED(CONFIG_IPV6) + bool clip_valid = false; +#endif struct listen_ctx *ctx; struct adapter *adap; struct port_info *pi; - bool clip_valid; + int ret = 0; int stid; - int ret; - clip_valid = false; rcu_read_lock(); ndev = chtls_find_netdev(cdev, sk); rcu_read_unlock(); @@ -674,6 +681,7 @@ int chtls_listen_start(struct chtls_dev *cdev, struct sock *sk) inet_sk(sk)->inet_rcv_saddr, inet_sk(sk)->inet_sport, 0, cdev->lldi->rxq_ids[0]); +#if IS_ENABLED(CONFIG_IPV6) } else { int addr_type; @@ -689,6 +697,7 @@ int chtls_listen_start(struct chtls_dev *cdev, struct sock *sk) &sk->sk_v6_rcv_saddr, inet_sk(sk)->inet_sport, cdev->lldi->rxq_ids[0]); +#endif } if (ret > 0) ret = net_xmit_errno(ret); @@ -696,8 +705,10 @@ int chtls_listen_start(struct chtls_dev *cdev, struct sock *sk) goto del_hash; return 0; del_hash: +#if IS_ENABLED(CONFIG_IPV6) if (clip_valid) cxgb4_clip_release(ndev, (const u32 *)&sk->sk_v6_rcv_saddr, 1); +#endif listen_hash_del(cdev, sk); free_stid: cxgb4_free_stid(cdev->tids, stid, sk->sk_family); @@ -711,8 +722,6 @@ free_ctx: void chtls_listen_stop(struct chtls_dev *cdev, struct sock *sk) { struct listen_ctx *listen_ctx; - struct chtls_sock *csk; - int addr_type = 0; int stid; stid = listen_hash_del(cdev, sk); @@ -725,7 +734,11 @@ void chtls_listen_stop(struct chtls_dev *cdev, struct sock *sk) cxgb4_remove_server(cdev->lldi->ports[0], stid, cdev->lldi->rxq_ids[0], sk->sk_family == PF_INET6); +#if IS_ENABLED(CONFIG_IPV6) if (sk->sk_family == PF_INET6) { + struct chtls_sock *csk; + int addr_type = 0; + csk = rcu_dereference_sk_user_data(sk); addr_type = ipv6_addr_type((const struct in6_addr *) &sk->sk_v6_rcv_saddr); @@ -733,6 +746,7 @@ void chtls_listen_stop(struct chtls_dev *cdev, struct sock *sk) cxgb4_clip_release(csk->egress_dev, (const u32 *) &sk->sk_v6_rcv_saddr, 1); } +#endif chtls_disconnect_acceptq(sk); } @@ -941,9 +955,11 @@ static unsigned int chtls_select_mss(const struct chtls_sock *csk, tp = tcp_sk(sk); tcpoptsz = 0; +#if IS_ENABLED(CONFIG_IPV6) if (sk->sk_family == AF_INET6) iphdrsz = sizeof(struct ipv6hdr) + sizeof(struct tcphdr); else +#endif iphdrsz = sizeof(struct iphdr) + sizeof(struct tcphdr); if (req->tcpopt.tstamp) tcpoptsz += round_up(TCPOLEN_TIMESTAMP, 4); @@ -1091,13 +1107,13 @@ static struct sock *chtls_recv_sock(struct sock *lsk, const struct cpl_pass_accept_req *req, struct chtls_dev *cdev) { + struct neighbour *n = NULL; struct inet_sock *newinet; const struct iphdr *iph; struct tls_context *ctx; struct net_device *ndev; struct chtls_sock *csk; struct dst_entry *dst; - struct neighbour *n; struct tcp_sock *tp; struct sock *newsk; u16 port_id; @@ -1115,6 +1131,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk, goto free_sk; n = dst_neigh_lookup(dst, &iph->saddr); +#if IS_ENABLED(CONFIG_IPV6) } else { const struct ipv6hdr *ip6h; struct flowi6 fl6; @@ -1131,6 +1148,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk, if (IS_ERR(dst)) goto free_sk; n = dst_neigh_lookup(dst, &ip6h->saddr); +#endif } if (!n) goto free_sk; @@ -1158,6 +1176,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk, newinet->inet_daddr = iph->saddr; newinet->inet_rcv_saddr = iph->daddr; newinet->inet_saddr = iph->daddr; +#if IS_ENABLED(CONFIG_IPV6) } else { struct tcp6_sock *newtcp6sk = (struct tcp6_sock *)newsk; struct inet_request_sock *treq = inet_rsk(oreq); @@ -1175,6 +1194,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk, newinet->inet_opt = NULL; newinet->inet_daddr = LOOPBACK4_IPV6; newinet->inet_saddr = LOOPBACK4_IPV6; +#endif } oreq->ts_recent = PASS_OPEN_TID_G(ntohl(req->tos_stid)); @@ -1337,10 +1357,12 @@ static void chtls_pass_accept_request(struct sock *sk, if (iph->version == 0x4) { chtls_set_req_addr(oreq, iph->daddr, iph->saddr); ip_dsfield = ipv4_get_dsfield(iph); +#if IS_ENABLED(CONFIG_IPV6) } else { inet_rsk(oreq)->ir_v6_rmt_addr = ipv6_hdr(skb)->saddr; inet_rsk(oreq)->ir_v6_loc_addr = ipv6_hdr(skb)->daddr; ip_dsfield = ipv6_get_dsfield(ipv6_hdr(skb)); +#endif } if (req->tcpopt.wsf <= 14 && sock_net(sk)->ipv4.sysctl_tcp_window_scaling) { diff --git a/drivers/crypto/chelsio/chtls/chtls_main.c b/drivers/crypto/chelsio/chtls/chtls_main.c index 7dfffdde9593..d98b89d0fa6e 100644 --- a/drivers/crypto/chelsio/chtls/chtls_main.c +++ b/drivers/crypto/chelsio/chtls/chtls_main.c @@ -608,9 +608,11 @@ static void __init chtls_init_ulp_ops(void) chtls_cpl_prot.recvmsg = chtls_recvmsg; chtls_cpl_prot.setsockopt = chtls_setsockopt; chtls_cpl_prot.getsockopt = chtls_getsockopt; +#if IS_ENABLED(CONFIG_IPV6) chtls_cpl_protv6 = chtls_cpl_prot; chtls_init_rsk_ops(&chtls_cpl_protv6, &chtls_rsk_opsv6, &tcpv6_prot, PF_INET6); +#endif } static int __init chtls_register(void) diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c index cf6fa8fede33..521ebc072903 100644 --- a/drivers/net/dsa/lantiq_gswip.c +++ b/drivers/net/dsa/lantiq_gswip.c @@ -1452,7 +1452,8 @@ static void gswip_phylink_validate(struct dsa_switch *ds, int port, unsupported: bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS); - dev_err(ds->dev, "Unsupported interface: %d\n", state->interface); + dev_err(ds->dev, "Unsupported interface '%s' for port %d\n", + phy_modes(state->interface), port); return; } diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c index 9f4205b4439b..d2b5ab403e06 100644 --- a/drivers/net/dsa/qca8k.c +++ b/drivers/net/dsa/qca8k.c @@ -1079,8 +1079,7 @@ qca8k_sw_probe(struct mdio_device *mdiodev) if (id != QCA8K_ID_QCA8337) return -ENODEV; - priv->ds = devm_kzalloc(&mdiodev->dev, sizeof(*priv->ds), - QCA8K_NUM_PORTS); + priv->ds = devm_kzalloc(&mdiodev->dev, sizeof(*priv->ds), GFP_KERNEL); if (!priv->ds) return -ENOMEM; diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index a0af74c93971..dda4b8fc9525 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -355,7 +355,7 @@ error_unmap_dma: ena_unmap_tx_buff(xdp_ring, tx_info); tx_info->xdpf = NULL; error_drop_packet: - + __free_page(tx_info->xdp_rx_page); return NETDEV_TX_OK; } @@ -1646,11 +1646,9 @@ static int ena_clean_rx_irq(struct ena_ring *rx_ring, struct napi_struct *napi, &next_to_clean); if (unlikely(!skb)) { - if (xdp_verdict == XDP_TX) { + if (xdp_verdict == XDP_TX) ena_free_rx_page(rx_ring, &rx_ring->rx_buffer_info[rx_ring->ena_bufs[0].req_id]); - res_budget--; - } for (i = 0; i < ena_rx_ctx.descs; i++) { rx_ring->free_ids[next_to_clean] = rx_ring->ena_bufs[i].req_id; @@ -1658,8 +1656,10 @@ static int ena_clean_rx_irq(struct ena_ring *rx_ring, struct napi_struct *napi, ENA_RX_RING_IDX_NEXT(next_to_clean, rx_ring->ring_size); } - if (xdp_verdict == XDP_TX || xdp_verdict == XDP_DROP) + if (xdp_verdict != XDP_PASS) { + res_budget--; continue; + } break; } diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c index 41315712deb8..828499256004 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c @@ -3357,7 +3357,7 @@ static ssize_t blocked_fl_read(struct file *filp, char __user *ubuf, adap->sge.egr_sz, adap->sge.blocked_fl); len += sprintf(buf + len, "\n"); size = simple_read_from_buffer(ubuf, count, ppos, buf, len); - kvfree(buf); + kfree(buf); return size; } @@ -3374,12 +3374,12 @@ static ssize_t blocked_fl_write(struct file *filp, const char __user *ubuf, err = bitmap_parse_user(ubuf, count, t, adap->sge.egr_sz); if (err) { - kvfree(t); + kfree(t); return err; } bitmap_copy(adap->sge.blocked_fl, t, adap->sge.egr_sz); - kvfree(t); + kfree(t); return count; } diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c index 0307e9c69a47..08439e215efe 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c @@ -663,6 +663,7 @@ static int uld_attach(struct adapter *adap, unsigned int uld) return 0; } +#ifdef CONFIG_CHELSIO_TLS_DEVICE static bool cxgb4_uld_in_use(struct adapter *adap) { const struct tid_info *t = &adap->tids; @@ -670,7 +671,6 @@ static bool cxgb4_uld_in_use(struct adapter *adap) return (atomic_read(&t->conns_in_use) || t->stids_in_use); } -#ifdef CONFIG_CHELSIO_TLS_DEVICE /* cxgb4_set_ktls_feature: request FW to enable/disable ktls settings. * @adap: adapter info * @enable: 1 to enable / 0 to disable ktls settings. diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c index 552e7554a9f8..db791f60b884 100644 --- a/drivers/net/ethernet/freescale/ucc_geth.c +++ b/drivers/net/ethernet/freescale/ucc_geth.c @@ -42,7 +42,6 @@ #include <soc/fsl/qe/ucc.h> #include <soc/fsl/qe/ucc_fast.h> #include <asm/machdep.h> -#include <net/sch_generic.h> #include "ucc_geth.h" diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 011cd26953d9..4cc9abd61c43 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -325,7 +325,7 @@ cache_line_size()) /* Driver assumes that the last 3 bits are 0 */ -#define MVNETA_SKB_HEADROOM (max(XDP_PACKET_HEADROOM, NET_SKB_PAD) & ~0x7) +#define MVNETA_SKB_HEADROOM ALIGN(max(NET_SKB_PAD, XDP_PACKET_HEADROOM), 8) #define MVNETA_SKB_PAD (SKB_DATA_ALIGN(sizeof(struct skb_shared_info) + \ MVNETA_SKB_HEADROOM)) #define MVNETA_SKB_SIZE(len) (SKB_DATA_ALIGN(len) + MVNETA_SKB_PAD) diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c index ce0a6837daa3..05f8d5a92862 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c @@ -391,8 +391,7 @@ static int mlxsw_thermal_set_trip_hyst(struct thermal_zone_device *tzdev, static int mlxsw_thermal_trend_get(struct thermal_zone_device *tzdev, int trip, enum thermal_trend *trend) { - struct mlxsw_thermal_module *tz = tzdev->devdata; - struct mlxsw_thermal *thermal = tz->parent; + struct mlxsw_thermal *thermal = tzdev->devdata; if (trip < 0 || trip >= MLXSW_THERMAL_NUM_TRIPS) return -EINVAL; @@ -593,6 +592,22 @@ mlxsw_thermal_module_trip_hyst_set(struct thermal_zone_device *tzdev, int trip, return 0; } +static int mlxsw_thermal_module_trend_get(struct thermal_zone_device *tzdev, + int trip, enum thermal_trend *trend) +{ + struct mlxsw_thermal_module *tz = tzdev->devdata; + struct mlxsw_thermal *thermal = tz->parent; + + if (trip < 0 || trip >= MLXSW_THERMAL_NUM_TRIPS) + return -EINVAL; + + if (tzdev == thermal->tz_highest_dev) + return 1; + + *trend = THERMAL_TREND_STABLE; + return 0; +} + static struct thermal_zone_device_ops mlxsw_thermal_module_ops = { .bind = mlxsw_thermal_module_bind, .unbind = mlxsw_thermal_module_unbind, @@ -604,7 +619,7 @@ static struct thermal_zone_device_ops mlxsw_thermal_module_ops = { .set_trip_temp = mlxsw_thermal_module_trip_temp_set, .get_trip_hyst = mlxsw_thermal_module_trip_hyst_get, .set_trip_hyst = mlxsw_thermal_module_trip_hyst_set, - .get_trend = mlxsw_thermal_trend_get, + .get_trend = mlxsw_thermal_module_trend_get, }; static int mlxsw_thermal_gearbox_temp_get(struct thermal_zone_device *tzdev, @@ -643,7 +658,7 @@ static struct thermal_zone_device_ops mlxsw_thermal_gearbox_ops = { .set_trip_temp = mlxsw_thermal_module_trip_temp_set, .get_trip_hyst = mlxsw_thermal_module_trip_hyst_get, .set_trip_hyst = mlxsw_thermal_module_trip_hyst_set, - .get_trend = mlxsw_thermal_trend_get, + .get_trend = mlxsw_thermal_module_trend_get, }; static int mlxsw_thermal_get_max_state(struct thermal_cooling_device *cdev, diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c index 36624e3c633b..c5c5c688b7e2 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.c +++ b/drivers/net/ethernet/microchip/lan743x_main.c @@ -985,7 +985,7 @@ static void lan743x_phy_link_status_change(struct net_device *netdev) break; case SPEED_1000: data |= MAC_CR_CFG_H_; - data |= MAC_CR_CFG_L_; + data &= ~MAC_CR_CFG_L_; break; } lan743x_csr_write(adapter, MAC_CR, data); diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c b/drivers/net/ethernet/qlogic/qed/qed_sriov.c index 66876af814c4..20679fd4204b 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_sriov.c +++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c @@ -33,6 +33,7 @@ #include <linux/etherdevice.h> #include <linux/crc32.h> #include <linux/vmalloc.h> +#include <linux/crash_dump.h> #include <linux/qed/qed_iov_if.h> #include "qed_cxt.h" #include "qed_hsi.h" @@ -607,6 +608,9 @@ int qed_iov_hw_info(struct qed_hwfn *p_hwfn) int pos; int rc; + if (is_kdump_kernel()) + return 0; + if (IS_VF(p_hwfn->cdev)) return 0; diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.h b/drivers/net/ethernet/qlogic/qed/qed_sriov.h index aabeaf03135e..368e88565783 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_sriov.h +++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.h @@ -32,7 +32,6 @@ #ifndef _QED_SRIOV_H #define _QED_SRIOV_H -#include <linux/crash_dump.h> #include <linux/types.h> #include "qed_vf.h" @@ -41,12 +40,9 @@ #define QED_VF_ARRAY_LENGTH (3) #ifdef CONFIG_QED_SRIOV -#define IS_VF(cdev) (is_kdump_kernel() ? \ - (0) : ((cdev)->b_is_vf)) -#define IS_PF(cdev) (is_kdump_kernel() ? \ - (1) : !((cdev)->b_is_vf)) -#define IS_PF_SRIOV(p_hwfn) (is_kdump_kernel() ? \ - (0) : !!((p_hwfn)->cdev->p_iov_info)) +#define IS_VF(cdev) ((cdev)->b_is_vf) +#define IS_PF(cdev) (!((cdev)->b_is_vf)) +#define IS_PF_SRIOV(p_hwfn) (!!((p_hwfn)->cdev->p_iov_info)) #else #define IS_VF(cdev) (0) #define IS_PF(cdev) (1) diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index b2d154258b07..756c05eb96f3 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -1265,7 +1265,7 @@ static int qede_probe(struct pci_dev *pdev, const struct pci_device_id *id) case QEDE_PRIVATE_VF: if (debug & QED_LOG_VERBOSE_MASK) dev_err(&pdev->dev, "Probing a VF\n"); - is_vf = is_kdump_kernel() ? false : true; + is_vf = true; break; default: if (debug & QED_LOG_VERBOSE_MASK) diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 4d2ec9742cee..dad84ecf5a77 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -3928,7 +3928,7 @@ static void rtl8169_tx_clear(struct rtl8169_private *tp) netdev_reset_queue(tp->dev); } -static void rtl8169_hw_reset(struct rtl8169_private *tp) +static void rtl8169_hw_reset(struct rtl8169_private *tp, bool going_down) { /* Give a racing hard_start_xmit a few cycles to complete. */ synchronize_rcu(); @@ -3938,6 +3938,9 @@ static void rtl8169_hw_reset(struct rtl8169_private *tp) rtl_rx_close(tp); + if (going_down && tp->dev->wol_enabled) + goto no_reset; + switch (tp->mac_version) { case RTL_GIGA_MAC_VER_27: case RTL_GIGA_MAC_VER_28: @@ -3959,7 +3962,7 @@ static void rtl8169_hw_reset(struct rtl8169_private *tp) } rtl_hw_reset(tp); - +no_reset: rtl8169_tx_clear(tp); rtl8169_init_ring_indexes(tp); } @@ -3972,7 +3975,7 @@ static void rtl_reset_work(struct rtl8169_private *tp) napi_disable(&tp->napi); netif_stop_queue(dev); - rtl8169_hw_reset(tp); + rtl8169_hw_reset(tp, false); for (i = 0; i < NUM_RX_DESC; i++) rtl8169_mark_to_asic(tp->RxDescArray + i); @@ -4637,7 +4640,7 @@ static void rtl8169_down(struct rtl8169_private *tp) phy_stop(tp->phydev); napi_disable(&tp->napi); - rtl8169_hw_reset(tp); + rtl8169_hw_reset(tp, true); rtl_pll_power_down(tp); @@ -4942,8 +4945,6 @@ static void rtl_shutdown(struct pci_dev *pdev) /* Restore original MAC address */ rtl_rar_set(tp, tp->dev->perm_addr); - rtl8169_hw_reset(tp); - if (system_state == SYSTEM_POWER_OFF) { if (tp->saved_wolopts) { rtl_wol_suspend_quirk(tp); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c index 5010af7dab4a..3c5df5eeed6c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c @@ -225,7 +225,7 @@ static int imx_dwmac_probe(struct platform_device *pdev) dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL); if (!dwmac) - return PTR_ERR(dwmac); + return -ENOMEM; plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac); if (IS_ERR(plat_dat)) diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 6b461be1820b..75266580b586 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -987,9 +987,10 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev) if (geneve->collect_md) { info = skb_tunnel_info(skb); if (unlikely(!info || !(info->mode & IP_TUNNEL_INFO_TX))) { - err = -EINVAL; netdev_dbg(dev, "no tunnel metadata\n"); - goto tx_error; + dev_kfree_skb(skb); + dev->stats.tx_dropped++; + return NETDEV_TX_OK; } } else { info = &geneve->info; @@ -1006,7 +1007,7 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev) if (likely(!err)) return NETDEV_TX_OK; -tx_error: + dev_kfree_skb(skb); if (err == -ELOOP) diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c index 71cdef9fb56b..5ab53e9942f3 100644 --- a/drivers/net/hamradio/yam.c +++ b/drivers/net/hamradio/yam.c @@ -1133,6 +1133,7 @@ static int __init yam_init_driver(void) err = register_netdev(dev); if (err) { printk(KERN_WARNING "yam: cannot register net device %s\n", dev->name); + free_netdev(dev); goto error; } yam_devs[i] = dev; diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c index 4017ae1692d8..f3c04981b8da 100644 --- a/drivers/net/phy/dp83867.c +++ b/drivers/net/phy/dp83867.c @@ -488,7 +488,7 @@ static int dp83867_verify_rgmii_cfg(struct phy_device *phydev) return 0; } -#ifdef CONFIG_OF_MDIO +#if IS_ENABLED(CONFIG_OF_MDIO) static int dp83867_of_init(struct phy_device *phydev) { struct dp83867_private *dp83867 = phydev->priv; diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c index cfb22a21a2e6..53ed3abc26c9 100644 --- a/drivers/net/phy/dp83869.c +++ b/drivers/net/phy/dp83869.c @@ -176,7 +176,7 @@ static int dp83869_set_strapped_mode(struct phy_device *phydev) return 0; } -#ifdef CONFIG_OF_MDIO +#if IS_ENABLED(CONFIG_OF_MDIO) static int dp83869_of_init(struct phy_device *phydev) { struct dp83869_private *dp83869 = phydev->priv; @@ -218,10 +218,13 @@ static int dp83869_of_init(struct phy_device *phydev) ret = phy_read_mmd(phydev, DP83869_DEVADDR, DP83869_STRAP_STS1); if (ret < 0) return ret; + if (ret & DP83869_STRAP_MIRROR_ENABLED) dp83869->port_mirroring = DP83869_PORT_MIRRORING_EN; else dp83869->port_mirroring = DP83869_PORT_MIRRORING_DIS; + + ret = 0; } if (of_property_read_u32(of_node, "rx-fifo-depth", diff --git a/drivers/net/phy/fixed_phy.c b/drivers/net/phy/fixed_phy.c index 4a3d34f40cb9..c4641b1704d6 100644 --- a/drivers/net/phy/fixed_phy.c +++ b/drivers/net/phy/fixed_phy.c @@ -19,7 +19,6 @@ #include <linux/slab.h> #include <linux/of.h> #include <linux/gpio/consumer.h> -#include <linux/seqlock.h> #include <linux/idr.h> #include <linux/netdevice.h> #include <linux/linkmode.h> @@ -34,7 +33,6 @@ struct fixed_mdio_bus { struct fixed_phy { int addr; struct phy_device *phydev; - seqcount_t seqcount; struct fixed_phy_status status; bool no_carrier; int (*link_update)(struct net_device *, struct fixed_phy_status *); @@ -80,19 +78,17 @@ static int fixed_mdio_read(struct mii_bus *bus, int phy_addr, int reg_num) list_for_each_entry(fp, &fmb->phys, node) { if (fp->addr == phy_addr) { struct fixed_phy_status state; - int s; - - do { - s = read_seqcount_begin(&fp->seqcount); - fp->status.link = !fp->no_carrier; - /* Issue callback if user registered it. */ - if (fp->link_update) - fp->link_update(fp->phydev->attached_dev, - &fp->status); - /* Check the GPIO for change in status */ - fixed_phy_update(fp); - state = fp->status; - } while (read_seqcount_retry(&fp->seqcount, s)); + + fp->status.link = !fp->no_carrier; + + /* Issue callback if user registered it. */ + if (fp->link_update) + fp->link_update(fp->phydev->attached_dev, + &fp->status); + + /* Check the GPIO for change in status */ + fixed_phy_update(fp); + state = fp->status; return swphy_read_reg(reg_num, &state); } @@ -150,8 +146,6 @@ static int fixed_phy_add_gpiod(unsigned int irq, int phy_addr, if (!fp) return -ENOMEM; - seqcount_init(&fp->seqcount); - if (irq != PHY_POLL) fmb->mii_bus->irq[phy_addr] = irq; diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 4ea226566cec..c9ecf3c8c3fd 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -429,7 +429,7 @@ static int m88e1101_config_aneg(struct phy_device *phydev) return marvell_config_aneg(phydev); } -#ifdef CONFIG_OF_MDIO +#if IS_ENABLED(CONFIG_OF_MDIO) /* Set and/or override some configuration registers based on the * marvell,reg-init property stored in the of_node for the phydev. * diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 255fdfcc13a6..6ceee82b2839 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -764,6 +764,7 @@ EXPORT_SYMBOL(mdiobus_scan); static void mdiobus_stats_acct(struct mdio_bus_stats *stats, bool op, int ret) { + preempt_disable(); u64_stats_update_begin(&stats->syncp); u64_stats_inc(&stats->transfers); @@ -778,6 +779,7 @@ static void mdiobus_stats_acct(struct mdio_bus_stats *stats, bool op, int ret) u64_stats_inc(&stats->writes); out: u64_stats_update_end(&stats->syncp); + preempt_enable(); } /** diff --git a/drivers/net/phy/mscc/mscc.h b/drivers/net/phy/mscc/mscc.h index f828c917b9f7..fbcee5fce7b2 100644 --- a/drivers/net/phy/mscc/mscc.h +++ b/drivers/net/phy/mscc/mscc.h @@ -374,7 +374,7 @@ struct vsc8531_private { #endif }; -#ifdef CONFIG_OF_MDIO +#if IS_ENABLED(CONFIG_OF_MDIO) struct vsc8531_edge_rate_table { u32 vddmac; u32 slowdown[8]; diff --git a/drivers/net/phy/mscc/mscc_main.c b/drivers/net/phy/mscc/mscc_main.c index 7ed0285206d0..5ddc44f87eaf 100644 --- a/drivers/net/phy/mscc/mscc_main.c +++ b/drivers/net/phy/mscc/mscc_main.c @@ -98,7 +98,7 @@ static const struct vsc85xx_hw_stat vsc8584_hw_stats[] = { }, }; -#ifdef CONFIG_OF_MDIO +#if IS_ENABLED(CONFIG_OF_MDIO) static const struct vsc8531_edge_rate_table edge_table[] = { {MSCC_VDDMAC_3300, { 0, 2, 4, 7, 10, 17, 29, 53} }, {MSCC_VDDMAC_2500, { 0, 3, 6, 10, 14, 23, 37, 63} }, @@ -382,7 +382,7 @@ out_unlock: mutex_unlock(&phydev->lock); } -#ifdef CONFIG_OF_MDIO +#if IS_ENABLED(CONFIG_OF_MDIO) static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev) { u32 vdd, sd; @@ -1396,7 +1396,7 @@ static int vsc8584_config_init(struct phy_device *phydev) /* Disable SerDes for 100Base-FX */ ret = vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF | - PROC_CMD_FIBER_PORT(vsc8531->base_addr) | + PROC_CMD_FIBER_PORT(vsc8531->addr) | PROC_CMD_FIBER_DISABLE | PROC_CMD_READ_MOD_WRITE_PORT | PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_100BASE_FX); @@ -1405,7 +1405,7 @@ static int vsc8584_config_init(struct phy_device *phydev) /* Disable SerDes for 1000Base-X */ ret = vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF | - PROC_CMD_FIBER_PORT(vsc8531->base_addr) | + PROC_CMD_FIBER_PORT(vsc8531->addr) | PROC_CMD_FIBER_DISABLE | PROC_CMD_READ_MOD_WRITE_PORT | PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_1000BASE_X); diff --git a/include/linux/ethtool_netlink.h b/include/linux/ethtool_netlink.h index 8fbe4f97ffad..1e7bf78cb382 100644 --- a/include/linux/ethtool_netlink.h +++ b/include/linux/ethtool_netlink.h @@ -67,5 +67,5 @@ static inline int ethnl_cable_test_step(struct phy_device *phydev, u32 first, { return -EOPNOTSUPP; } -#endif /* IS_ENABLED(ETHTOOL_NETLINK) */ +#endif /* IS_ENABLED(CONFIG_ETHTOOL_NETLINK) */ #endif /* _LINUX_ETHTOOL_NETLINK_H_ */ diff --git a/include/linux/u64_stats_sync.h b/include/linux/u64_stats_sync.h index 9de5c10293f5..c6abb79501b3 100644 --- a/include/linux/u64_stats_sync.h +++ b/include/linux/u64_stats_sync.h @@ -3,33 +3,36 @@ #define _LINUX_U64_STATS_SYNC_H /* - * To properly implement 64bits network statistics on 32bit and 64bit hosts, - * we provide a synchronization point, that is a noop on 64bit or UP kernels. + * Protect against 64-bit values tearing on 32-bit architectures. This is + * typically used for statistics read/update in different subsystems. * * Key points : - * 1) Use a seqcount on SMP 32bits, with low overhead. - * 2) Whole thing is a noop on 64bit arches or UP kernels. - * 3) Write side must ensure mutual exclusion or one seqcount update could + * + * - Use a seqcount on 32-bit SMP, only disable preemption for 32-bit UP. + * - The whole thing is a no-op on 64-bit architectures. + * + * Usage constraints: + * + * 1) Write side must ensure mutual exclusion, or one seqcount update could * be lost, thus blocking readers forever. - * If this synchronization point is not a mutex, but a spinlock or - * spinlock_bh() or disable_bh() : - * 3.1) Write side should not sleep. - * 3.2) Write side should not allow preemption. - * 3.3) If applicable, interrupts should be disabled. * - * 4) If reader fetches several counters, there is no guarantee the whole values - * are consistent (remember point 1) : this is a noop on 64bit arches anyway) + * 2) Write side must disable preemption, or a seqcount reader can preempt the + * writer and also spin forever. + * + * 3) Write side must use the _irqsave() variant if other writers, or a reader, + * can be invoked from an IRQ context. * - * 5) readers are allowed to sleep or be preempted/interrupted : They perform - * pure reads. But if they have to fetch many values, it's better to not allow - * preemptions/interruptions to avoid many retries. + * 4) If reader fetches several counters, there is no guarantee the whole values + * are consistent w.r.t. each other (remember point #2: seqcounts are not + * used for 64bit architectures). * - * 6) If counter might be written by an interrupt, readers should block interrupts. - * (On UP, there is no seqcount_t protection, a reader allowing interrupts could - * read partial values) + * 5) Readers are allowed to sleep or be preempted/interrupted: they perform + * pure reads. * - * 7) For irq and softirq uses, readers can use u64_stats_fetch_begin_irq() and - * u64_stats_fetch_retry_irq() helpers + * 6) Readers must use both u64_stats_fetch_{begin,retry}_irq() if the stats + * might be updated from a hardirq or softirq context (remember point #1: + * seqcounts are not used for UP kernels). 32-bit UP stat readers could read + * corrupted 64-bit values otherwise. * * Usage : * diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index 2f1f8c3efb26..e5b388f5fa20 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -292,7 +292,6 @@ static inline void inet_csk_prepare_for_destroy_sock(struct sock *sk) /* The below has to be done to allow calling inet_csk_destroy_sock */ sock_set_flag(sk, SOCK_DEAD); percpu_counter_inc(sk->sk_prot->orphan_count); - inet_sk(sk)->inet_num = 0; } void inet_csk_destroy_sock(struct sock *sk); diff --git a/include/net/seg6.h b/include/net/seg6.h index 640724b35273..9d19c15e8545 100644 --- a/include/net/seg6.h +++ b/include/net/seg6.h @@ -57,7 +57,7 @@ extern void seg6_iptunnel_exit(void); extern int seg6_local_init(void); extern void seg6_local_exit(void); -extern bool seg6_validate_srh(struct ipv6_sr_hdr *srh, int len); +extern bool seg6_validate_srh(struct ipv6_sr_hdr *srh, int len, bool reduced); extern int seg6_do_srh_encap(struct sk_buff *skb, struct ipv6_sr_hdr *osrh, int proto); extern int seg6_do_srh_inline(struct sk_buff *skb, struct ipv6_sr_hdr *osrh); diff --git a/lib/rhashtable.c b/lib/rhashtable.c index bdb7e4cadf05..9f6890aedd1a 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -63,13 +63,22 @@ EXPORT_SYMBOL_GPL(lockdep_rht_bucket_is_held); #define ASSERT_RHT_MUTEX(HT) #endif +static inline union nested_table *nested_table_top( + const struct bucket_table *tbl) +{ + /* The top-level bucket entry does not need RCU protection + * because it's set at the same time as tbl->nest. + */ + return (void *)rcu_dereference_protected(tbl->buckets[0], 1); +} + static void nested_table_free(union nested_table *ntbl, unsigned int size) { const unsigned int shift = PAGE_SHIFT - ilog2(sizeof(void *)); const unsigned int len = 1 << shift; unsigned int i; - ntbl = rcu_dereference_raw(ntbl->table); + ntbl = rcu_dereference_protected(ntbl->table, 1); if (!ntbl) return; @@ -89,7 +98,7 @@ static void nested_bucket_table_free(const struct bucket_table *tbl) union nested_table *ntbl; unsigned int i; - ntbl = (union nested_table *)rcu_dereference_raw(tbl->buckets[0]); + ntbl = nested_table_top(tbl); for (i = 0; i < len; i++) nested_table_free(ntbl + i, size); @@ -1173,7 +1182,7 @@ struct rhash_lock_head **__rht_bucket_nested(const struct bucket_table *tbl, unsigned int subhash = hash; union nested_table *ntbl; - ntbl = (union nested_table *)rcu_dereference_raw(tbl->buckets[0]); + ntbl = nested_table_top(tbl); ntbl = rht_dereference_bucket_rcu(ntbl[index].table, tbl, hash); subhash >>= tbl->nest; @@ -1213,7 +1222,7 @@ struct rhash_lock_head **rht_bucket_nested_insert(struct rhashtable *ht, unsigned int size = tbl->size >> tbl->nest; union nested_table *ntbl; - ntbl = (union nested_table *)rcu_dereference_raw(tbl->buckets[0]); + ntbl = nested_table_top(tbl); hash >>= tbl->nest; ntbl = nested_table_alloc(ht, &ntbl[index].table, size <= (1 << shift)); diff --git a/net/core/dev.c b/net/core/dev.c index 10684833f864..061496a1f640 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -79,6 +79,7 @@ #include <linux/sched.h> #include <linux/sched/mm.h> #include <linux/mutex.h> +#include <linux/rwsem.h> #include <linux/string.h> #include <linux/mm.h> #include <linux/socket.h> @@ -194,7 +195,7 @@ static DEFINE_SPINLOCK(napi_hash_lock); static unsigned int napi_gen_id = NR_CPUS; static DEFINE_READ_MOSTLY_HASHTABLE(napi_hash, 8); -static seqcount_t devnet_rename_seq; +static DECLARE_RWSEM(devnet_rename_sem); static inline void dev_base_seq_inc(struct net *net) { @@ -998,33 +999,28 @@ EXPORT_SYMBOL(dev_get_by_napi_id); * @net: network namespace * @name: a pointer to the buffer where the name will be stored. * @ifindex: the ifindex of the interface to get the name from. - * - * The use of raw_seqcount_begin() and cond_resched() before - * retrying is required as we want to give the writers a chance - * to complete when CONFIG_PREEMPTION is not set. */ int netdev_get_name(struct net *net, char *name, int ifindex) { struct net_device *dev; - unsigned int seq; + int ret; -retry: - seq = raw_seqcount_begin(&devnet_rename_seq); + down_read(&devnet_rename_sem); rcu_read_lock(); + dev = dev_get_by_index_rcu(net, ifindex); if (!dev) { - rcu_read_unlock(); - return -ENODEV; + ret = -ENODEV; + goto out; } strcpy(name, dev->name); - rcu_read_unlock(); - if (read_seqcount_retry(&devnet_rename_seq, seq)) { - cond_resched(); - goto retry; - } - return 0; + ret = 0; +out: + rcu_read_unlock(); + up_read(&devnet_rename_sem); + return ret; } /** @@ -1296,10 +1292,10 @@ int dev_change_name(struct net_device *dev, const char *newname) likely(!(dev->priv_flags & IFF_LIVE_RENAME_OK))) return -EBUSY; - write_seqcount_begin(&devnet_rename_seq); + down_write(&devnet_rename_sem); if (strncmp(newname, dev->name, IFNAMSIZ) == 0) { - write_seqcount_end(&devnet_rename_seq); + up_write(&devnet_rename_sem); return 0; } @@ -1307,7 +1303,7 @@ int dev_change_name(struct net_device *dev, const char *newname) err = dev_get_valid_name(net, dev, newname); if (err < 0) { - write_seqcount_end(&devnet_rename_seq); + up_write(&devnet_rename_sem); return err; } @@ -1322,11 +1318,11 @@ rollback: if (ret) { memcpy(dev->name, oldname, IFNAMSIZ); dev->name_assign_type = old_assign_type; - write_seqcount_end(&devnet_rename_seq); + up_write(&devnet_rename_sem); return ret; } - write_seqcount_end(&devnet_rename_seq); + up_write(&devnet_rename_sem); netdev_adjacent_rename_links(dev, oldname); @@ -1347,7 +1343,7 @@ rollback: /* err >= 0 after dev_alloc_name() or stores the first errno */ if (err >= 0) { err = ret; - write_seqcount_begin(&devnet_rename_seq); + down_write(&devnet_rename_sem); memcpy(dev->name, oldname, IFNAMSIZ); memcpy(oldname, newname, IFNAMSIZ); dev->name_assign_type = old_assign_type; diff --git a/net/core/filter.c b/net/core/filter.c index d01a244b5087..209482a4eaa2 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -5050,7 +5050,7 @@ static int bpf_push_seg6_encap(struct sk_buff *skb, u32 type, void *hdr, u32 len int err; struct ipv6_sr_hdr *srh = (struct ipv6_sr_hdr *)hdr; - if (!seg6_validate_srh(srh, len)) + if (!seg6_validate_srh(srh, len, false)) return -EINVAL; switch (type) { diff --git a/net/ethtool/linkinfo.c b/net/ethtool/linkinfo.c index 677068deb68c..5eaf173eaaca 100644 --- a/net/ethtool/linkinfo.c +++ b/net/ethtool/linkinfo.c @@ -140,8 +140,7 @@ int ethnl_set_linkinfo(struct sk_buff *skb, struct genl_info *info) ret = __ethtool_get_link_ksettings(dev, &ksettings); if (ret < 0) { - if (info) - GENL_SET_ERR_MSG(info, "failed to retrieve link settings"); + GENL_SET_ERR_MSG(info, "failed to retrieve link settings"); goto out_ops; } lsettings = &ksettings.base; diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index f40b1b72f979..afaf582a5aa9 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -902,6 +902,7 @@ void inet_csk_prepare_forced_close(struct sock *sk) bh_unlock_sock(sk); sock_put(sk); inet_csk_prepare_for_destroy_sock(sk); + inet_sk(sk)->inet_num = 0; } EXPORT_SYMBOL(inet_csk_prepare_forced_close); diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 2c843ff5e3a9..20576e87a5f7 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -493,7 +493,7 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname, struct ipv6_sr_hdr *srh = (struct ipv6_sr_hdr *) opt->srcrt; - if (!seg6_validate_srh(srh, optlen)) + if (!seg6_validate_srh(srh, optlen, false)) goto sticky_done; break; } diff --git a/net/ipv6/seg6.c b/net/ipv6/seg6.c index 37b434293bda..d2f8138e5a73 100644 --- a/net/ipv6/seg6.c +++ b/net/ipv6/seg6.c @@ -25,7 +25,7 @@ #include <net/seg6_hmac.h> #endif -bool seg6_validate_srh(struct ipv6_sr_hdr *srh, int len) +bool seg6_validate_srh(struct ipv6_sr_hdr *srh, int len, bool reduced) { unsigned int tlv_offset; int max_last_entry; @@ -37,13 +37,17 @@ bool seg6_validate_srh(struct ipv6_sr_hdr *srh, int len) if (((srh->hdrlen + 1) << 3) != len) return false; - max_last_entry = (srh->hdrlen / 2) - 1; - - if (srh->first_segment > max_last_entry) + if (!reduced && srh->segments_left > srh->first_segment) { return false; + } else { + max_last_entry = (srh->hdrlen / 2) - 1; - if (srh->segments_left > srh->first_segment + 1) - return false; + if (srh->first_segment > max_last_entry) + return false; + + if (srh->segments_left > srh->first_segment + 1) + return false; + } tlv_offset = sizeof(*srh) + ((srh->first_segment + 1) << 4); diff --git a/net/ipv6/seg6_iptunnel.c b/net/ipv6/seg6_iptunnel.c index c7cbfeae94f5..e0e9f48ab14f 100644 --- a/net/ipv6/seg6_iptunnel.c +++ b/net/ipv6/seg6_iptunnel.c @@ -426,7 +426,7 @@ static int seg6_build_state(struct net *net, struct nlattr *nla, } /* verify that SRH is consistent */ - if (!seg6_validate_srh(tuninfo->srh, tuninfo_len - sizeof(*tuninfo))) + if (!seg6_validate_srh(tuninfo->srh, tuninfo_len - sizeof(*tuninfo), false)) return -EINVAL; newts = lwtunnel_state_alloc(tuninfo_len + sizeof(*slwt)); diff --git a/net/ipv6/seg6_local.c b/net/ipv6/seg6_local.c index 52493423f329..eba23279912d 100644 --- a/net/ipv6/seg6_local.c +++ b/net/ipv6/seg6_local.c @@ -87,7 +87,7 @@ static struct ipv6_sr_hdr *get_srh(struct sk_buff *skb) */ srh = (struct ipv6_sr_hdr *)(skb->data + srhoff); - if (!seg6_validate_srh(srh, len)) + if (!seg6_validate_srh(srh, len, true)) return NULL; return srh; @@ -495,7 +495,7 @@ bool seg6_bpf_has_valid_srh(struct sk_buff *skb) return false; srh->hdrlen = (u8)(srh_state->hdrlen >> 3); - if (!seg6_validate_srh(srh, (srh->hdrlen + 1) << 3)) + if (!seg6_validate_srh(srh, (srh->hdrlen + 1) << 3, true)) return false; srh_state->valid = true; @@ -670,7 +670,7 @@ static int parse_nla_srh(struct nlattr **attrs, struct seg6_local_lwt *slwt) if (len < sizeof(*srh) + sizeof(struct in6_addr)) return -EINVAL; - if (!seg6_validate_srh(srh, len)) + if (!seg6_validate_srh(srh, len, false)) return -EINVAL; slwt->srh = kmemdup(srh, len, GFP_KERNEL); diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 2f049692e012..6c19b91bbb86 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -513,15 +513,58 @@ static void genl_family_rcv_msg_attrs_free(const struct genl_family *family, kfree(attrbuf); } -static int genl_lock_start(struct netlink_callback *cb) +struct genl_start_context { + const struct genl_family *family; + struct nlmsghdr *nlh; + struct netlink_ext_ack *extack; + const struct genl_ops *ops; + int hdrlen; +}; + +static int genl_start(struct netlink_callback *cb) { - const struct genl_ops *ops = genl_dumpit_info(cb)->ops; + struct genl_start_context *ctx = cb->data; + const struct genl_ops *ops = ctx->ops; + struct genl_dumpit_info *info; + struct nlattr **attrs = NULL; int rc = 0; + if (ops->validate & GENL_DONT_VALIDATE_DUMP) + goto no_attrs; + + if (ctx->nlh->nlmsg_len < nlmsg_msg_size(ctx->hdrlen)) + return -EINVAL; + + attrs = genl_family_rcv_msg_attrs_parse(ctx->family, ctx->nlh, ctx->extack, + ops, ctx->hdrlen, + GENL_DONT_VALIDATE_DUMP_STRICT, + true); + if (IS_ERR(attrs)) + return PTR_ERR(attrs); + +no_attrs: + info = genl_dumpit_info_alloc(); + if (!info) { + kfree(attrs); + return -ENOMEM; + } + info->family = ctx->family; + info->ops = ops; + info->attrs = attrs; + + cb->data = info; if (ops->start) { - genl_lock(); + if (!ctx->family->parallel_ops) + genl_lock(); rc = ops->start(cb); - genl_unlock(); + if (!ctx->family->parallel_ops) + genl_unlock(); + } + + if (rc) { + kfree(attrs); + genl_dumpit_info_free(info); + cb->data = NULL; } return rc; } @@ -548,7 +591,7 @@ static int genl_lock_done(struct netlink_callback *cb) rc = ops->done(cb); genl_unlock(); } - genl_family_rcv_msg_attrs_free(info->family, info->attrs, true); + genl_family_rcv_msg_attrs_free(info->family, info->attrs, false); genl_dumpit_info_free(info); return rc; } @@ -573,43 +616,23 @@ static int genl_family_rcv_msg_dumpit(const struct genl_family *family, const struct genl_ops *ops, int hdrlen, struct net *net) { - struct genl_dumpit_info *info; - struct nlattr **attrs = NULL; + struct genl_start_context ctx; int err; if (!ops->dumpit) return -EOPNOTSUPP; - if (ops->validate & GENL_DONT_VALIDATE_DUMP) - goto no_attrs; - - if (nlh->nlmsg_len < nlmsg_msg_size(hdrlen)) - return -EINVAL; - - attrs = genl_family_rcv_msg_attrs_parse(family, nlh, extack, - ops, hdrlen, - GENL_DONT_VALIDATE_DUMP_STRICT, - true); - if (IS_ERR(attrs)) - return PTR_ERR(attrs); - -no_attrs: - /* Allocate dumpit info. It is going to be freed by done() callback. */ - info = genl_dumpit_info_alloc(); - if (!info) { - genl_family_rcv_msg_attrs_free(family, attrs, true); - return -ENOMEM; - } - - info->family = family; - info->ops = ops; - info->attrs = attrs; + ctx.family = family; + ctx.nlh = nlh; + ctx.extack = extack; + ctx.ops = ops; + ctx.hdrlen = hdrlen; if (!family->parallel_ops) { struct netlink_dump_control c = { .module = family->module, - .data = info, - .start = genl_lock_start, + .data = &ctx, + .start = genl_start, .dump = genl_lock_dumpit, .done = genl_lock_done, }; @@ -617,12 +640,11 @@ no_attrs: genl_unlock(); err = __netlink_dump_start(net->genl_sock, skb, nlh, &c); genl_lock(); - } else { struct netlink_dump_control c = { .module = family->module, - .data = info, - .start = ops->start, + .data = &ctx, + .start = genl_start, .dump = ops->dumpit, .done = genl_parallel_done, }; diff --git a/net/tipc/msg.c b/net/tipc/msg.c index c0afcd627c5e..046e4cb3acea 100644 --- a/net/tipc/msg.c +++ b/net/tipc/msg.c @@ -221,7 +221,7 @@ int tipc_msg_append(struct tipc_msg *_hdr, struct msghdr *m, int dlen, accounted = skb ? msg_blocks(buf_msg(skb)) : 0; total = accounted; - while (rem) { + do { if (!skb || skb->len >= mss) { skb = tipc_buf_acquire(mss, GFP_KERNEL); if (unlikely(!skb)) @@ -245,7 +245,7 @@ int tipc_msg_append(struct tipc_msg *_hdr, struct msghdr *m, int dlen, skb_put(skb, cpy); rem -= cpy; total += msg_blocks(hdr) - curr; - } + } while (rem); return total - accounted; } diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c index 4b8b1150a738..8b65323207db 100644 --- a/net/vmw_vsock/vmci_transport.c +++ b/net/vmw_vsock/vmci_transport.c @@ -2055,7 +2055,7 @@ static bool vmci_check_transport(struct vsock_sock *vsk) return vsk->transport == &vmci_transport; } -void vmci_vsock_transport_cb(bool is_host) +static void vmci_vsock_transport_cb(bool is_host) { int features; diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c index 1bbaf1747e4f..a0d2b757807f 100644 --- a/net/xdp/xdp_umem.c +++ b/net/xdp/xdp_umem.c @@ -336,7 +336,7 @@ static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr) if ((addr + size) < addr) return -EINVAL; - npgs = div_u64(size, PAGE_SIZE); + npgs = size >> PAGE_SHIFT; if (npgs > U32_MAX) return -EINVAL; |