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2019-10-14net: aquantia: when cleaning hw cache it should be toggledIgor Russkikh
>From HW specification to correctly reset HW caches (this is a required workaround when stopping the device), register bit should actually be toggled. It was previosly always just set. Due to the way driver stops HW this never actually caused any issues, but it still may, so cleaning this up. Fixes: 7a1bb49461b1 ("net: aquantia: fix potential IOMMU fault after driver unbind") Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-14net: aquantia: temperature retrieval fixIgor Russkikh
Chip temperature is a two byte word, colocated internally with cable length data. We do all readouts from HW memory by dwords, thus we should clear extra high bytes, otherwise temperature output gets weird as soon as we attach a cable to the NIC. Fixes: 8f8940118654 ("net: aquantia: add infrastructure to readout chip temperature") Tested-by: Holger Hoffstätte <holger@applied-asynchrony.com> Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-13netdevsim: Fix error handling in nsim_fib_init and nsim_fib_exitYueHaibing
In nsim_fib_init(), if register_fib_notifier failed, nsim_fib_net_ops should be unregistered before return. In nsim_fib_exit(), unregister_fib_notifier should be called before nsim_fib_net_ops be unregistered, otherwise may cause use-after-free: BUG: KASAN: use-after-free in nsim_fib_event_nb+0x342/0x570 [netdevsim] Read of size 8 at addr ffff8881daaf4388 by task kworker/0:3/3499 CPU: 0 PID: 3499 Comm: kworker/0:3 Not tainted 5.3.0-rc7+ #30 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 Workqueue: ipv6_addrconf addrconf_dad_work [ipv6] Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xa9/0x10e lib/dump_stack.c:113 print_address_description+0x65/0x380 mm/kasan/report.c:351 __kasan_report+0x149/0x18d mm/kasan/report.c:482 kasan_report+0xe/0x20 mm/kasan/common.c:618 nsim_fib_event_nb+0x342/0x570 [netdevsim] notifier_call_chain+0x52/0xf0 kernel/notifier.c:95 __atomic_notifier_call_chain+0x78/0x140 kernel/notifier.c:185 call_fib_notifiers+0x30/0x60 net/core/fib_notifier.c:30 call_fib6_entry_notifiers+0xc1/0x100 [ipv6] fib6_add+0x92e/0x1b10 [ipv6] __ip6_ins_rt+0x40/0x60 [ipv6] ip6_ins_rt+0x84/0xb0 [ipv6] __ipv6_ifa_notify+0x4b6/0x550 [ipv6] ipv6_ifa_notify+0xa5/0x180 [ipv6] addrconf_dad_completed+0xca/0x640 [ipv6] addrconf_dad_work+0x296/0x960 [ipv6] process_one_work+0x5c0/0xc00 kernel/workqueue.c:2269 worker_thread+0x5c/0x670 kernel/workqueue.c:2415 kthread+0x1d7/0x200 kernel/kthread.c:255 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Allocated by task 3388: save_stack+0x19/0x80 mm/kasan/common.c:69 set_track mm/kasan/common.c:77 [inline] __kasan_kmalloc.constprop.3+0xa0/0xd0 mm/kasan/common.c:493 kmalloc include/linux/slab.h:557 [inline] kzalloc include/linux/slab.h:748 [inline] ops_init+0xa9/0x220 net/core/net_namespace.c:127 __register_pernet_operations net/core/net_namespace.c:1135 [inline] register_pernet_operations+0x1d4/0x420 net/core/net_namespace.c:1212 register_pernet_subsys+0x24/0x40 net/core/net_namespace.c:1253 nsim_fib_init+0x12/0x70 [netdevsim] veth_get_link_ksettings+0x2b/0x50 [veth] do_one_initcall+0xd4/0x454 init/main.c:939 do_init_module+0xe0/0x330 kernel/module.c:3490 load_module+0x3c2f/0x4620 kernel/module.c:3841 __do_sys_finit_module+0x163/0x190 kernel/module.c:3931 do_syscall_64+0x72/0x2e0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe Freed by task 3534: save_stack+0x19/0x80 mm/kasan/common.c:69 set_track mm/kasan/common.c:77 [inline] __kasan_slab_free+0x130/0x180 mm/kasan/common.c:455 slab_free_hook mm/slub.c:1423 [inline] slab_free_freelist_hook mm/slub.c:1474 [inline] slab_free mm/slub.c:3016 [inline] kfree+0xe9/0x2d0 mm/slub.c:3957 ops_free net/core/net_namespace.c:151 [inline] ops_free_list.part.7+0x156/0x220 net/core/net_namespace.c:184 ops_free_list net/core/net_namespace.c:182 [inline] __unregister_pernet_operations net/core/net_namespace.c:1165 [inline] unregister_pernet_operations+0x221/0x2a0 net/core/net_namespace.c:1224 unregister_pernet_subsys+0x1d/0x30 net/core/net_namespace.c:1271 nsim_fib_exit+0x11/0x20 [netdevsim] nsim_module_exit+0x16/0x21 [netdevsim] __do_sys_delete_module kernel/module.c:1015 [inline] __se_sys_delete_module kernel/module.c:958 [inline] __x64_sys_delete_module+0x244/0x330 kernel/module.c:958 do_syscall_64+0x72/0x2e0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe Reported-by: Hulk Robot <hulkci@huawei.com> Fixes: 59c84b9fcf42 ("netdevsim: Restore per-network namespace accounting for fib entries") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-13net/ibmvnic: Fix EOI when running in XIVE mode.Cédric Le Goater
pSeries machines on POWER9 processors can run with the XICS (legacy) interrupt mode or with the XIVE exploitation interrupt mode. These interrupt contollers have different interfaces for interrupt management : XICS uses hcalls and XIVE loads and stores on a page. H_EOI being a XICS interface the enable_scrq_irq() routine can fail when the machine runs in XIVE mode. Fix that by calling the EOI handler of the interrupt chip. Fixes: f23e0643cd0b ("ibmvnic: Clear pending interrupt after device reset") Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-13net: lpc_eth: avoid resetting twiceAlexandre Belloni
__lpc_eth_shutdown is called after __lpc_eth_reset but it is already calling __lpc_eth_reset. Avoid resetting the IP twice. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-10r8169: fix jumbo packet handling on resume from suspendHeiner Kallweit
Mariusz reported that invalid packets are sent after resume from suspend if jumbo packets are active. It turned out that his BIOS resets chip settings to non-jumbo on resume. Most chip settings are re-initialized on resume from suspend by calling rtl_hw_start(), so let's add configuring jumbo to this function. There's nothing wrong with the commit marked as fixed, it's just the first one where the patch applies cleanly. Fixes: 7366016d2d4c ("r8169: read common register for PCI commit") Reported-by: Mariusz Bialonczyk <manio@skyboo.net> Tested-by: Mariusz Bialonczyk <manio@skyboo.net> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-10-09net: add {READ|WRITE}_ONCE() annotations on ->rskq_accept_headEric Dumazet
reqsk_queue_empty() is called from inet_csk_listen_poll() while other cpus might write ->rskq_accept_head value. Use {READ|WRITE}_ONCE() to avoid compiler tricks and potential KCSAN splats. Fixes: fff1f3001cc5 ("tcp: add a spinlock to protect struct request_sock_queue") Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-10-09tun: remove possible false sharing in tun_flow_update()Eric Dumazet
As mentioned in https://github.com/google/ktsan/wiki/READ_ONCE-and-WRITE_ONCE#it-may-improve-performance a C compiler can legally transform if (e->queue_index != queue_index) e->queue_index = queue_index; to : e->queue_index = queue_index; Note that the code using jiffies has no issue, since jiffies has volatile attribute. if (e->updated != jiffies) e->updated = jiffies; Fixes: 83b1bc122cab ("tun: align write-heavy flow entry members to a cache line") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Zhang Yu <zhangyu31@baidu.com> Cc: Wang Li <wangli39@baidu.com> Cc: Li RongQing <lirongqing@baidu.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-10-09net: usb: qmi_wwan: add Telit 0x1050 compositionDaniele Palmas
This patch adds support for Telit FN980 0x1050 composition 0x1050: tty, adb, rmnet, tty, tty, tty, tty Signed-off-by: Daniele Palmas <dnlplm@gmail.com> Acked-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-10-09s390/qeth: Fix initialization of vnicc cmd masks during set onlineAlexandra Winter
Without this patch, a command bit in the supported commands mask is only ever set to unsupported during set online. If a command is ever marked as unsupported (e.g. because of error during qeth_l2_vnicc_query_cmds), subsequent successful initialization (offline/online) would not bring it back. Fixes: caa1f0b10d18 ("s390/qeth: add VNICC enable/disable support") Signed-off-by: Alexandra Winter <wintera@linux.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-10-09s390/qeth: Fix error handling during VNICC initializationAlexandra Winter
Smatch discovered the use of uninitialized variable sup_cmds in error paths. Fixes: caa1f0b10d18 ("s390/qeth: add VNICC enable/disable support") Signed-off-by: Alexandra Winter <wintera@linux.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-10-09phylink: fix kernel-doc warningsRandy Dunlap
Fix kernel-doc warnings in phylink.c: ../drivers/net/phy/phylink.c:595: warning: Function parameter or member 'config' not described in 'phylink_create' ../drivers/net/phy/phylink.c:595: warning: Excess function parameter 'ndev' description in 'phylink_create' Fixes: 8796c8923d9c ("phylink: add documentation for kernel APIs") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-10-09bonding: fix potential NULL deref in bond_update_slave_arrEric Dumazet
syzbot got a NULL dereference in bond_update_slave_arr() [1], happening after a failure to allocate bond->slave_arr A workqueue (bond_slave_arr_handler) is supposed to retry the allocation later, but if the slave is removed before the workqueue had a chance to complete, bond->slave_arr can still be NULL. [1] Failed to build slave-array. kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN PTI Modules linked in: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:bond_update_slave_arr.cold+0xc6/0x198 drivers/net/bonding/bond_main.c:4039 RSP: 0018:ffff88018fe33678 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000290b000 RDX: 0000000000000000 RSI: ffffffff82b63037 RDI: ffff88019745ea20 RBP: ffff88018fe33760 R08: ffff880170754280 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88019745ea00 R14: 0000000000000000 R15: ffff88018fe338b0 FS: 00007febd837d700(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004540a0 CR3: 00000001c242e005 CR4: 00000000001626f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: [<ffffffff82b5b45e>] __bond_release_one+0x43e/0x500 drivers/net/bonding/bond_main.c:1923 [<ffffffff82b5b966>] bond_release drivers/net/bonding/bond_main.c:2039 [inline] [<ffffffff82b5b966>] bond_do_ioctl+0x416/0x870 drivers/net/bonding/bond_main.c:3562 [<ffffffff83ae25f4>] dev_ifsioc+0x6f4/0x940 net/core/dev_ioctl.c:328 [<ffffffff83ae2e58>] dev_ioctl+0x1b8/0xc70 net/core/dev_ioctl.c:495 [<ffffffff83995ffd>] sock_do_ioctl+0x1bd/0x300 net/socket.c:1088 [<ffffffff83996a80>] sock_ioctl+0x300/0x5d0 net/socket.c:1196 [<ffffffff81b124db>] vfs_ioctl fs/ioctl.c:47 [inline] [<ffffffff81b124db>] file_ioctl fs/ioctl.c:501 [inline] [<ffffffff81b124db>] do_vfs_ioctl+0xacb/0x1300 fs/ioctl.c:688 [<ffffffff81b12dc6>] SYSC_ioctl fs/ioctl.c:705 [inline] [<ffffffff81b12dc6>] SyS_ioctl+0xb6/0xe0 fs/ioctl.c:696 [<ffffffff8101ccc8>] do_syscall_64+0x528/0x770 arch/x86/entry/common.c:305 [<ffffffff84400091>] entry_SYSCALL_64_after_hwframe+0x42/0xb7 Fixes: ee6377147409 ("bonding: Simplify the xmit function for modes that use xmit_hash") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: syzbot <syzkaller@googlegroups.com> Cc: Mahesh Bandewar <maheshb@google.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-10-09net: stmmac: fix disabling flexible PPS outputAntonio Borneo
Accordingly to Synopsys documentation [1] and [2], when bit PPSEN0 in register MAC_PPS_CONTROL is set it selects the functionality command in the same register, otherwise selects the functionality control. Command functionality is required to either enable (command 0x2) and disable (command 0x5) the flexible PPS output, but the bit PPSEN0 is currently set only for enabling. Set the bit PPSEN0 to properly disable flexible PPS output. Tested on STM32MP15x, based on dwmac 4.10a. [1] DWC Ethernet QoS Databook 4.10a October 2014 [2] DWC Ethernet QoS Databook 5.00a September 2017 Signed-off-by: Antonio Borneo <antonio.borneo@st.com> Fixes: 9a8a02c9d46d ("net: stmmac: Add Flexible PPS support") Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-10-09net: stmmac: fix length of PTP clock's name stringAntonio Borneo
The field "name" in struct ptp_clock_info has a fixed size of 16 chars and is used as zero terminated string by clock_name_show() in drivers/ptp/ptp_sysfs.c The current initialization value requires 17 chars to fit also the null termination, and this causes overflow to the next bytes in the struct when the string is read as null terminated: hexdump -C /sys/class/ptp/ptp0/clock_name 00000000 73 74 6d 6d 61 63 5f 70 74 70 5f 63 6c 6f 63 6b |stmmac_ptp_clock| 00000010 a0 ac b9 03 0a |.....| where the extra 4 bytes (excluding the newline) after the string represent the integer 0x03b9aca0 = 62500000 assigned to the field "max_adj" that follows "name" in the same struct. There is no strict requirement for the "name" content and in the comment in ptp_clock_kernel.h it's reported it should just be 'A short "friendly name" to identify the clock'. Replace it with "stmmac ptp". Signed-off-by: Antonio Borneo <antonio.borneo@st.com> Fixes: 92ba6888510c ("stmmac: add the support for PTP hw clock driver") Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-10-08Merge tag 'mac80211-for-davem-2019-10-08' of ↵Jakub Kicinski
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 Johannes Berg says: ==================== A number of fixes: * allow scanning when operating on radar channels in ETSI regdomains * accept deauth frames in IBSS - we have code to parse and handle them, but were dropping them early * fix an allocation failure path in hwsim * fix a failure path memory leak in nl80211 FTM code * fix RCU handling & locking in multi-BSSID parsing * reject malformed SSID in mac80211 (this shouldn't really be able to happen, but defense in depth) * avoid userspace buffer overrun in ancient wext code if SSID was too long ==================== Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-10-08NFC: pn533: fix use-after-free and memleaksJohan Hovold
The driver would fail to deregister and its class device and free related resources on late probe errors. Reported-by: syzbot+cb035c75c03dbe34b796@syzkaller.appspotmail.com Fixes: 32ecc75ded72 ("NFC: pn533: change order operations in dev registation") Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-10-08net/mlx5: DR, Allow insertion of duplicate rulesAlex Vesker
Duplicate rules were not allowed to be configured with SW steering. This restriction caused failures with the replace rule logic done by upper layers. This fix allows for multiple rules with the same match values, in such case the first inserted rules will match. Fixes: 41d07074154c ("net/mlx5: DR, Expose steering rule functionality") Signed-off-by: Alex Vesker <valex@mellanox.com> Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
2019-10-07ptp: fix typo of "mechanism" in Kconfig help textAntonio Borneo
Fix typo s/mechansim/mechanism/ Signed-off-by: Antonio Borneo <antonio.borneo@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-07ionic: fix stats memory dereferenceShannon Nelson
When the netdev is down, the queues and their debug stats do not exist, so don't try using a pointer to them when when printing the ethtool stats. Fixes: e470355bd96a ("ionic: Add driver stats") Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-06net: stmmac: selftests: Fix L2 Hash Filter testJose Abreu
With the current MAC addresses hard-coded in the test we can get some false positives as we use the Hash Filtering method. Let's change the MAC addresses in the tests to be unique when hashed. Fixes: 091810dbded9 ("net: stmmac: Introduce selftests support") Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-06net: stmmac: gmac4+: Not all Unicast addresses may be availableJose Abreu
Some setups may not have all Unicast addresses filters available. Check the number of available filters before trying to setup it. Fixes: 477286b53f55 ("stmmac: add GMAC4 core support") Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-06net: stmmac: selftests: Check if filtering is available before runningJose Abreu
We need to check if the number of available Hash Filters is enough to run the test, otherwise we will get false failures. Fixes: 091810dbded9 ("net: stmmac: Introduce selftests support") Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-06net: dsa: b53: Do not clear existing mirrored port maskFlorian Fainelli
Clearing the existing bitmask of mirrored ports essentially prevents us from capturing more than one port at any given time. This is clearly wrong, do not clear the bitmask prior to setting up the new port. Reported-by: Hubert Feurstein <h.feurstein@gmail.com> Fixes: ed3af5fd08eb ("net: dsa: b53: Add support for port mirroring") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-05Merge tag 'kbuild-fixes-v5.4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - remove unneeded ar-option and KBUILD_ARFLAGS - remove long-deprecated SUBDIRS - fix modpost to suppress false-positive warnings for UML builds - fix namespace.pl to handle relative paths to ${objtree}, ${srctree} - make setlocalversion work for /bin/sh - make header archive reproducible - fix some Makefiles and documents * tag 'kbuild-fixes-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kheaders: make headers archive reproducible kbuild: update compile-test header list for v5.4-rc2 kbuild: two minor updates for Documentation/kbuild/modules.rst scripts/setlocalversion: clear local variable to make it work for sh namespace: fix namespace.pl script to support relative paths video/logo: do not generate unneeded logo C files video/logo: remove unneeded *.o pattern from clean-files integrity: remove pointless subdir-$(CONFIG_...) integrity: remove unneeded, broken attempt to add -fshort-wchar modpost: fix static EXPORT_SYMBOL warnings for UML build kbuild: correct formatting of header in kbuild module docs kbuild: remove SUBDIRS support kbuild: remove ar-option and KBUILD_ARFLAGS
2019-10-05Merge tag 'scsi-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Twelve patches mostly small but obvious fixes or cosmetic but small updates" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: qla2xxx: Fix Nport ID display value scsi: qla2xxx: Fix N2N link up fail scsi: qla2xxx: Fix N2N link reset scsi: qla2xxx: Optimize NPIV tear down process scsi: qla2xxx: Fix stale mem access on driver unload scsi: qla2xxx: Fix unbound sleep in fcport delete path. scsi: qla2xxx: Silence fwdump template message scsi: hisi_sas: Make three functions static scsi: megaraid: disable device when probe failed after enabled device scsi: storvsc: setup 1:1 mapping between hardware queue and CPU queue scsi: qedf: Remove always false 'tmp_prio < 0' statement scsi: ufs: skip shutdown if hba is not powered scsi: bnx2fc: Handle scope bits when array returns BUSY or TSF
2019-10-05Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds
Pull networking fixes from David Miller: 1) Fix ieeeu02154 atusb driver use-after-free, from Johan Hovold. 2) Need to validate TCA_CBQ_WRROPT netlink attributes, from Eric Dumazet. 3) txq null deref in mac80211, from Miaoqing Pan. 4) ionic driver needs to select NET_DEVLINK, from Arnd Bergmann. 5) Need to disable bh during nft_connlimit GC, from Pablo Neira Ayuso. 6) Avoid division by zero in taprio scheduler, from Vladimir Oltean. 7) Various xgmac fixes in stmmac driver from Jose Abreu. 8) Avoid 64-bit division in mlx5 leading to link errors on 32-bit from Michal Kubecek. 9) Fix bad VLAN check in rtl8366 DSA driver, from Linus Walleij. 10) Fix sleep while atomic in sja1105, from Vladimir Oltean. 11) Suspend/resume deadlock in stmmac, from Thierry Reding. 12) Various UDP GSO fixes from Josh Hunt. 13) Fix slab out of bounds access in tcp_zerocopy_receive(), from Eric Dumazet. 14) Fix OOPS in __ipv6_ifa_notify(), from David Ahern. 15) Memory leak in NFC's llcp_sock_bind, from Eric Dumazet. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (72 commits) selftests/net: add nettest to .gitignore net: qlogic: Fix memory leak in ql_alloc_large_buffers nfc: fix memory leak in llcp_sock_bind() sch_dsmark: fix potential NULL deref in dsmark_init() net: phy: at803x: use operating parameters from PHY-specific status net: phy: extract pause mode net: phy: extract link partner advertisement reading net: phy: fix write to mii-ctrl1000 register ipv6: Handle missing host route in __ipv6_ifa_notify net: phy: allow for reset line to be tied to a sleepy GPIO controller net: ipv4: avoid mixed n_redirects and rate_tokens usage r8152: Set macpassthru in reset_resume callback cxgb4:Fix out-of-bounds MSI-X info array access Revert "ipv6: Handle race in addrconf_dad_work" net: make sock_prot_memory_pressure() return "const char *" rxrpc: Fix rxrpc_recvmsg tracepoint qmi_wwan: add support for Cinterion CLS8 devices tcp: fix slab-out-of-bounds in tcp_zerocopy_receive() lib: textsearch: fix escapes in example code udp: only do GSO if # of segs > 1 ...
2019-10-05Merge tag 's390-5.4-3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes from Vasily Gorbik: - defconfig updates - Fix build errors with CC_OPTIMIZE_FOR_SIZE due to usage of "i" constraint for function arguments. Two kvm changes acked-by Christian Borntraeger. - Fix -Wunused-but-set-variable warnings in mm code. - Avoid a constant misuse in qdio. - Handle a case when cpumf is temporarily unavailable. * tag 's390-5.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: KVM: s390: mark __insn32_query() as __always_inline KVM: s390: fix __insn32_query() inline assembly s390: update defconfigs s390/pci: mark function(s) __always_inline s390/mm: mark function(s) __always_inline s390/jump_label: mark function(s) __always_inline s390/cpu_mf: mark function(s) __always_inline s390/atomic,bitops: mark function(s) __always_inline s390/mm: fix -Wunused-but-set-variable warnings s390: mark __cpacf_query() as __always_inline s390/qdio: clarify size of the QIB parm area s390/cpumf: Fix indentation in sampling device driver s390/cpumsf: Check for CPU Measurement sampling s390/cpumf: Use consistant debug print format
2019-10-05video/logo: do not generate unneeded logo C filesMasahiro Yamada
Currently, all the logo C files are generated irrespective of the CONFIG options. Adding them to extra-y is wrong. What we need to do here is to add them to 'targets' so that if_changed works properly. Files listed in 'targets' are cleaned, so clean-files is unneeded. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-10-05video/logo: remove unneeded *.o pattern from clean-filesMasahiro Yamada
The pattern *.o is cleaned up globally by the top Makefile. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-10-04net: qlogic: Fix memory leak in ql_alloc_large_buffersNavid Emamdoost
In ql_alloc_large_buffers, a new skb is allocated via netdev_alloc_skb. This skb should be released if pci_dma_mapping_error fails. Fixes: 0f8ab89e825f ("qla3xxx: Check return code from pci_map_single() in ql_release_to_lrg_buf_free_list(), ql_populate_free_queue(), ql_alloc_large_buffers(), and ql3xxx_send()") Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-04net: phy: at803x: use operating parameters from PHY-specific statusRussell King
Read the PHY-specific status register for the current operating mode (speed and duplex) of the PHY. This register reflects the actual mode that the PHY has resolved depending on either the advertisements of autoneg is enabled, or the forced mode if autoneg is disabled. This ensures that phylib's software state always tracks the hardware state. It seems both AR8033 (which uses the AR8031 ID) and AR8035 support this status register. AR8030 is not known at the present time. This patch depends on "net: phy: extract pause mode" and "net: phy: extract link partner advertisement reading". Reported-by: tinywrkb <tinywrkb@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Tested-by: tinywrkb <tinywrkb@gmail.com> Fixes: 5502b218e001 ("net: phy: use phy_resolve_aneg_linkmode in genphy_read_status") Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-04net: phy: extract pause modeRussell King
Extract the update of phylib's software pause mode state from genphy_read_status(), so that we can re-use this functionality with PHYs that have alternative ways to read the negotiation results. Tested-by: tinywrkb <tinywrkb@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-04net: phy: extract link partner advertisement readingRussell King
Move reading the link partner advertisement out of genphy_read_status() into its own separate function. This will allow re-use of this code by PHY drivers that are able to read the resolved status from the PHY. Tested-by: tinywrkb <tinywrkb@gmail.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-04net: phy: fix write to mii-ctrl1000 registerRussell King
When userspace writes to the MII_ADVERTISE register, we update phylib's advertising mask and trigger a renegotiation. However, writing to the MII_CTRL1000 register, which contains the gigabit advertisement, does neither. This can lead to phylib's copy of the advertisement becoming de-synced with the values in the PHY register set, which can result in incorrect negotiation resolution. Fixes: 5502b218e001 ("net: phy: use phy_resolve_aneg_linkmode in genphy_read_status") Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-04net: phy: allow for reset line to be tied to a sleepy GPIO controllerAndrea Merello
mdio_device_reset() makes use of the atomic-pretending API flavor for handling the PHY reset GPIO line. I found no hint that mdio_device_reset() is called from atomic context and indeed it uses usleep_range() since long time, so I would assume that it is OK to sleep there. This patch switch to gpiod_set_value_cansleep() in mdio_device_reset(). This is relevant if e.g. the PHY reset line is tied to a I2C GPIO controller. This has been tested on a ZynqMP board running an upstream 4.19 kernel and then hand-ported on current kernel tree. Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-04r8152: Set macpassthru in reset_resume callbackKai-Heng Feng
r8152 may fail to establish network connection after resume from system suspend. If the USB port connects to r8152 lost its power during system suspend, the MAC address was written before is lost. The reason is that The MAC address doesn't get written again in its reset_resume callback. So let's set MAC address again in reset_resume callback. Also remove unnecessary lock as no other locking attempt will happen during reset_resume. Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-04cxgb4:Fix out-of-bounds MSI-X info array accessVishal Kulkarni
When fetching free MSI-X vectors for ULDs, check for the error code before accessing MSI-X info array. Otherwise, an out-of-bounds access is attempted, which results in kernel panic. Fixes: 94cdb8bb993a ("cxgb4: Add support for dynamic allocation of resources for ULD") Signed-off-by: Shahjada Abul Husain <shahjada@chelsio.com> Signed-off-by: Vishal Kulkarni <vishal@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-04qmi_wwan: add support for Cinterion CLS8 devicesReinhard Speyerer
Add support for Cinterion CLS8 devices. Use QMI_QUIRK_SET_DTR as required for Qualcomm MDM9x07 chipsets. T: Bus=01 Lev=03 Prnt=05 Port=01 Cnt=02 Dev#= 25 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1e2d ProdID=00b0 Rev= 3.18 S: Manufacturer=GEMALTO S: Product=USB Modem C:* #Ifs= 5 Cfg#= 1 Atr=80 MxPwr=500mA I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none) E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=87(I) Atr=03(Int.) MxPS= 10 Ivl=32ms E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan E: Ad=89(I) Atr=03(Int.) MxPS= 8 Ivl=32ms E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms Signed-off-by: Reinhard Speyerer <rspmn@arcor.de> Acked-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-04Merge tag 'for-linus-5.4-rc2-tag' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen fixes and cleanups from Juergen Gross: - a fix in the Xen balloon driver avoiding hitting a BUG_ON() in some cases, plus a follow-on cleanup series for that driver - a patch for introducing non-blocking EFI callbacks in Xen's EFI driver, plu a cleanup patch for Xen EFI handling merging the x86 and ARM arch specific initialization into the Xen EFI driver - a fix of the Xen xenbus driver avoiding a self-deadlock when cleaning up after a user process has died - a fix for Xen on ARM after removal of ZONE_DMA - a cleanup patch for avoiding build warnings for Xen on ARM * tag 'for-linus-5.4-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/xenbus: fix self-deadlock after killing user process xen/efi: have a common runtime setup function arm: xen: mm: use __GPF_DMA32 for arm64 xen/balloon: Clear PG_offline in balloon_retrieve() xen/balloon: Mark pages PG_offline in balloon_append() xen/balloon: Drop __balloon_append() xen/balloon: Set pages PageOffline() in balloon_add_region() ARM: xen: unexport HYPERVISOR_platform_op function xen/efi: Set nonblocking callbacks
2019-10-04Merge tag 'drm-fixes-2019-10-04' of git://anongit.freedesktop.org/drm/drmLinus Torvalds
Pull drm fixes from Dave Airlie: "Been offline for 3 days, got back and had some fixes queued up. Nothing too major, the i915 dp-mst fix is important, and amdgpu has a bulk move speedup fix and some regressions, but nothing too insane for an rc2 pull. The intel fixes are also 2 weeks worth, they missed the boat last week. core: - writeback fixes i915: - Fix DP-MST crtc_mask - Fix dsc dpp calculations - Fix g4x sprite scaling stride check with GTT remapping - Fix concurrence on cases where requests where getting retired at same time as resubmitted to HW - Fix gen9 display resolutions by setting the right max plane width - Fix GPU hang on preemption - Mark contents as dirty on a write fault. This was breaking cursor sprite with dumb buffers. komeda: - memory leak fix tilcdc: - include fix amdgpu: - Enable bulk moves - Power metrics fixes for Navi - Fix S4 regression - Add query for tcc disabled mask - Fix several leaks in error paths - randconfig fixes - clang fixes" * tag 'drm-fixes-2019-10-04' of git://anongit.freedesktop.org/drm/drm: (21 commits) Revert "drm/i915: Fix DP-MST crtc_mask" drm/omap: fix max fclk divider for omap36xx drm/i915: Fix g4x sprite scaling stride check with GTT remapping drm/i915/dp: Fix dsc bpp calculations, v5. drm/amd/display: fix dcn21 Makefile for clang drm/amd/display: hide an unused variable drm/amdgpu: display_mode_vba_21: remove uint typedef drm/amdgpu: hide another #warning drm/amdgpu: make pmu support optional, again drm/amd/display: memory leak drm/amdgpu: fix multiple memory leaks in acp_hw_init drm/amdgpu: return tcc_disabled_mask to userspace drm/amdgpu: don't increment vram lost if we are in hibernation Revert "drm/amdgpu: disable stutter mode for renoir" drm/amd/powerplay: add sensor lock support for smu drm/amd/powerplay: change metrics update period from 1ms to 100ms drm/amdgpu: revert "disable bulk moves for now" drm/tilcdc: include linux/pinctrl/consumer.h again drm/komeda: prevent memory leak in komeda_wb_connector_add drm: Clear the fence pointer when writeback job signaled ...
2019-10-04Merge tag 'for-linus-2019-10-03' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull block fixes from Jens Axboe: - Mandate timespec64 for the io_uring timeout ABI (Arnd) - Set of NVMe changes via Sagi: - controller removal race fix from Balbir - quirk additions from Gabriel and Jian-Hong - nvme-pci power state save fix from Mario - Add 64bit user commands (for 64bit registers) from Marta - nvme-rdma/nvme-tcp fixes from Max, Mark and Me - Minor cleanups and nits from James, Dan and John - Two s390 dasd fixes (Jan, Stefan) - Have loop change block size in DIO mode (Martijn) - paride pg header ifdef guard (Masahiro) - Two blk-mq queue scheduler tweaks, fixing an ordering issue on zoned devices and suboptimal performance on others (Ming) * tag 'for-linus-2019-10-03' of git://git.kernel.dk/linux-block: (22 commits) block: sed-opal: fix sparse warning: convert __be64 data block: sed-opal: fix sparse warning: obsolete array init. block: pg: add header include guard Revert "s390/dasd: Add discard support for ESE volumes" s390/dasd: Fix error handling during online processing io_uring: use __kernel_timespec in timeout ABI loop: change queue block size to match when using DIO blk-mq: apply normal plugging for HDD blk-mq: honor IO scheduler for multiqueue devices nvme-rdma: fix possible use-after-free in connect timeout nvme: Move ctrl sqsize to generic space nvme: Add ctrl attributes for queue_count and sqsize nvme: allow 64-bit results in passthru commands nvme: Add quirk for Kingston NVME SSD running FW E8FK11.T nvmet-tcp: remove superflous check on request sgl Added QUIRKs for ADATA XPG SX8200 Pro 512GB nvme-rdma: Fix max_hw_sectors calculation nvme: fix an error code in nvme_init_subsystem() nvme-pci: Save PCI state before putting drive into deepest state nvme-tcp: fix wrong stop condition in io_work ...
2019-10-04mac80211_hwsim: fix incorrect dev_alloc_name failure gotoMichael Vassernis
If dev_alloc_name fails, hwsim_mon's memory allocated in alloc_netdev needs to be freed. Change goto command in dev_alloc_name failure to out_free_mon in order to perform free_netdev. Signed-off-by: Michael Vassernis <michael.vassernis@tandemg.com> Link: https://lore.kernel.org/r/20191003073049.3760-1-michael.vassernis@tandemg.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-10-04Merge tag 'drm-intel-fixes-2019-10-03-1' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-intel into drm-fixes - Fix DP-MST crtc_mask - Fix dsc dpp calculations - Fix g4x sprite scaling stride check with GTT remapping Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191003193051.GA26421@intel.com
2019-10-04Merge tag 'drm-misc-fixes-2019-10-03' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-misc into drm-fixes - One include fix for tilcdc - A clock fix for OMAP - A memory leak fix for Komeda - Some fixes for resources cleanups with writeback Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <mripard@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191003081031.oykms5fg4tijvdri@gilmour
2019-10-03Revert "drm/i915: Fix DP-MST crtc_mask"Ville Syrjälä
This reverts commit 4eaceea3a00f8e936a7f48dcd0c975a57f88930f. Several userspace clients (modesetting ddx and mutter+wayland at least) handle encoder.possible_crtcs incorrectly. What they essentially do is the following: possible_crtcs = ~0; for_each_possible_encoder(connector) possible_crtcs &= encoder->possible_crtcs; Ie. they calculate the intersection of the possible_crtcs for the connector when they really should be calculating the union instead. In our case each MST encoder now has just one unique bit set, and so the intersection is always zero. The end result is that MST connectors can't be lit up because no crtc can be found to drive them. I've submitted a fix for the modesetting ddx [1], and complained on #wayland about mutter, so hopefully the situation will improve in the future. In the meantime we have regression, and so must go back to the old way of misconfiguring possible_crtcs in the kernel. [1] https://gitlab.freedesktop.org/xorg/xserver/merge_requests/277 Cc: Jonas Ådahl <jadahl@gmail.com> Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Cc: Lucas De Marchi <lucas.demarchi@intel.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111507 Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190903154018.26357-1-ville.syrjala@linux.intel.com Reviewed-by: José Roberto de Souza <jose.souza@intel.com> (cherry picked from commit e838bfa8e170415fa3cc8e83ecb171e809c0c422) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2019-10-03Merge drm-misc-next-fixes-2019-10-02 into drm-misc-fixesMaxime Ripard
One tilcdc fix was left out in drm-misc-next-fixes and didn't make it during the merge window. Let's bring it into drm-misc-fixes. Signed-off-by: Maxime Ripard <mripard@kernel.org>
2019-10-03Merge drm/drm-fixes into drm-misc-fixesMaxime Ripard
We haven't backmerged for a while, let's start the -rc period by pulling rc1. Signed-off-by: Maxime Ripard <mripard@kernel.org>
2019-10-03drm/omap: fix max fclk divider for omap36xxTomi Valkeinen
The OMAP36xx and AM/DM37x TRMs say that the maximum divider for DSS fclk (in CM_CLKSEL_DSS) is 32. Experimentation shows that this is not correct, and using divider of 32 breaks DSS with a flood or underflows and sync losts. Dividers up to 31 seem to work fine. There is another patch to the DT files to limit the divider correctly, but as the DSS driver also needs to know the maximum divider to be able to iteratively find good rates, we also need to do the fix in the DSS driver. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Adam Ford <aford173@gmail.com> Cc: stable@vger.kernel.org Link: https://patchwork.freedesktop.org/patch/msgid/20191002122542.8449-1-tomi.valkeinen@ti.com Tested-by: Adam Ford <aford173@gmail.com> Reviewed-by: Jyri Sarha <jsarha@ti.com>
2019-10-02drm/i915: Fix g4x sprite scaling stride check with GTT remappingVille Syrjälä
I forgot to update the g4x sprite scaling stride check when GTT remapping was introduced. The stride of the original framebuffer is irrelevant when remapping is used and instead we want to check the stride of the remapped view. Also drop the duplicate width_bytes check. We already check that a few lines earlier. Fixes: df79cf441910 ("drm/i915: Store the final plane stride in plane_state") Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190930183045.662-1-ville.syrjala@linux.intel.com Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> (cherry picked from commit 006e570128f413759b9df64b51bae79903679c9b) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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