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-rw-r--r--drivers/infiniband/core/device.c8
-rw-r--r--drivers/infiniband/core/roce_gid_mgmt.c5
-rw-r--r--drivers/infiniband/core/uverbs_ioctl.c2
-rw-r--r--drivers/infiniband/hw/cxgb4/cm.c9
-rw-r--r--drivers/infiniband/hw/hfi1/affinity.c6
-rw-r--r--drivers/infiniband/hw/hfi1/sdma.c3
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hw_v1.c2
-rw-r--r--drivers/infiniband/hw/i40iw/i40iw_cm.c7
-rw-r--r--drivers/infiniband/hw/i40iw/i40iw_main.c6
-rw-r--r--drivers/infiniband/hw/i40iw/i40iw_utils.c12
-rw-r--r--drivers/infiniband/hw/mlx4/alias_GUID.c6
-rw-r--r--drivers/infiniband/hw/qedr/main.c25
-rw-r--r--drivers/infiniband/hw/qedr/qedr.h2
-rw-r--r--drivers/infiniband/hw/qib/qib_file_ops.c7
-rw-r--r--drivers/infiniband/hw/usnic/usnic_ib_main.c15
-rw-r--r--drivers/infiniband/sw/siw/siw_cm.c5
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c1
-rw-r--r--drivers/infiniband/ulp/srp/ib_srp.c21
18 files changed, 82 insertions, 60 deletions
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 7f4affe8a10d..9773145dee09 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -465,7 +465,7 @@ static int alloc_name(struct ib_device *ibdev, const char *name)
int rc;
int i;
- lockdep_assert_held_exclusive(&devices_rwsem);
+ lockdep_assert_held_write(&devices_rwsem);
ida_init(&inuse);
xa_for_each (&devices, index, device) {
char buf[IB_DEVICE_NAME_MAX];
@@ -2650,7 +2650,7 @@ static int __init ib_core_init(void)
goto err_mad;
}
- ret = register_lsm_notifier(&ibdev_lsm_nb);
+ ret = register_blocking_lsm_notifier(&ibdev_lsm_nb);
if (ret) {
pr_warn("Couldn't register LSM notifier. ret %d\n", ret);
goto err_sa;
@@ -2669,7 +2669,7 @@ static int __init ib_core_init(void)
return 0;
err_compat:
- unregister_lsm_notifier(&ibdev_lsm_nb);
+ unregister_blocking_lsm_notifier(&ibdev_lsm_nb);
err_sa:
ib_sa_cleanup();
err_mad:
@@ -2695,7 +2695,7 @@ static void __exit ib_core_cleanup(void)
nldev_exit();
rdma_nl_unregister(RDMA_NL_LS);
unregister_pernet_device(&rdma_dev_net_ops);
- unregister_lsm_notifier(&ibdev_lsm_nb);
+ unregister_blocking_lsm_notifier(&ibdev_lsm_nb);
ib_sa_cleanup();
ib_mad_cleanup();
addr_cleanup();
diff --git a/drivers/infiniband/core/roce_gid_mgmt.c b/drivers/infiniband/core/roce_gid_mgmt.c
index 558de0b9895c..2860def84f4d 100644
--- a/drivers/infiniband/core/roce_gid_mgmt.c
+++ b/drivers/infiniband/core/roce_gid_mgmt.c
@@ -330,6 +330,7 @@ static void bond_delete_netdev_default_gids(struct ib_device *ib_dev,
static void enum_netdev_ipv4_ips(struct ib_device *ib_dev,
u8 port, struct net_device *ndev)
{
+ const struct in_ifaddr *ifa;
struct in_device *in_dev;
struct sin_list {
struct list_head list;
@@ -349,7 +350,7 @@ static void enum_netdev_ipv4_ips(struct ib_device *ib_dev,
return;
}
- for_ifa(in_dev) {
+ in_dev_for_each_ifa_rcu(ifa, in_dev) {
struct sin_list *entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
if (!entry)
@@ -359,7 +360,7 @@ static void enum_netdev_ipv4_ips(struct ib_device *ib_dev,
entry->ip.sin_addr.s_addr = ifa->ifa_address;
list_add_tail(&entry->list, &sin_list);
}
- endfor_ifa(in_dev);
+
rcu_read_unlock();
list_for_each_entry_safe(sin_iter, sin_temp, &sin_list, list) {
diff --git a/drivers/infiniband/core/uverbs_ioctl.c b/drivers/infiniband/core/uverbs_ioctl.c
index 829b0c6944d8..61758201d9b2 100644
--- a/drivers/infiniband/core/uverbs_ioctl.c
+++ b/drivers/infiniband/core/uverbs_ioctl.c
@@ -127,7 +127,7 @@ __malloc void *_uverbs_alloc(struct uverbs_attr_bundle *bundle, size_t size,
res = (void *)pbundle->internal_buffer + pbundle->internal_used;
pbundle->internal_used =
ALIGN(new_used, sizeof(*pbundle->internal_buffer));
- if (flags & __GFP_ZERO)
+ if (want_init_on_alloc(flags))
memset(res, 0, size);
return res;
}
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 0147c407ac6c..e87fc0408470 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -3233,17 +3233,22 @@ static int pick_local_ipaddrs(struct c4iw_dev *dev, struct iw_cm_id *cm_id)
int found = 0;
struct sockaddr_in *laddr = (struct sockaddr_in *)&cm_id->m_local_addr;
struct sockaddr_in *raddr = (struct sockaddr_in *)&cm_id->m_remote_addr;
+ const struct in_ifaddr *ifa;
ind = in_dev_get(dev->rdev.lldi.ports[0]);
if (!ind)
return -EADDRNOTAVAIL;
- for_primary_ifa(ind) {
+ rcu_read_lock();
+ in_dev_for_each_ifa_rcu(ifa, ind) {
+ if (ifa->ifa_flags & IFA_F_SECONDARY)
+ continue;
laddr->sin_addr.s_addr = ifa->ifa_address;
raddr->sin_addr.s_addr = ifa->ifa_address;
found = 1;
break;
}
- endfor_ifa(ind);
+ rcu_read_unlock();
+
in_dev_put(ind);
return found ? 0 : -EADDRNOTAVAIL;
}
diff --git a/drivers/infiniband/hw/hfi1/affinity.c b/drivers/infiniband/hw/hfi1/affinity.c
index 4fe662c3bbc1..c142b23bb401 100644
--- a/drivers/infiniband/hw/hfi1/affinity.c
+++ b/drivers/infiniband/hw/hfi1/affinity.c
@@ -1038,7 +1038,7 @@ int hfi1_get_proc_affinity(int node)
struct hfi1_affinity_node *entry;
cpumask_var_t diff, hw_thread_mask, available_mask, intrs_mask;
const struct cpumask *node_mask,
- *proc_mask = &current->cpus_allowed;
+ *proc_mask = current->cpus_ptr;
struct hfi1_affinity_node_list *affinity = &node_affinity;
struct cpu_mask_set *set = &affinity->proc;
@@ -1046,7 +1046,7 @@ int hfi1_get_proc_affinity(int node)
* check whether process/context affinity has already
* been set
*/
- if (cpumask_weight(proc_mask) == 1) {
+ if (current->nr_cpus_allowed == 1) {
hfi1_cdbg(PROC, "PID %u %s affinity set to CPU %*pbl",
current->pid, current->comm,
cpumask_pr_args(proc_mask));
@@ -1057,7 +1057,7 @@ int hfi1_get_proc_affinity(int node)
cpu = cpumask_first(proc_mask);
cpumask_set_cpu(cpu, &set->used);
goto done;
- } else if (cpumask_weight(proc_mask) < cpumask_weight(&set->mask)) {
+ } else if (current->nr_cpus_allowed < cpumask_weight(&set->mask)) {
hfi1_cdbg(PROC, "PID %u %s affinity set to CPU set(s) %*pbl",
current->pid, current->comm,
cpumask_pr_args(proc_mask));
diff --git a/drivers/infiniband/hw/hfi1/sdma.c b/drivers/infiniband/hw/hfi1/sdma.c
index 28b66bd70b74..2395fd4233a7 100644
--- a/drivers/infiniband/hw/hfi1/sdma.c
+++ b/drivers/infiniband/hw/hfi1/sdma.c
@@ -869,14 +869,13 @@ struct sdma_engine *sdma_select_user_engine(struct hfi1_devdata *dd,
{
struct sdma_rht_node *rht_node;
struct sdma_engine *sde = NULL;
- const struct cpumask *current_mask = &current->cpus_allowed;
unsigned long cpu_id;
/*
* To ensure that always the same sdma engine(s) will be
* selected make sure the process is pinned to this CPU only.
*/
- if (cpumask_weight(current_mask) != 1)
+ if (current->nr_cpus_allowed != 1)
goto out;
cpu_id = smp_processor_id();
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
index 1a2c7dad2a0d..81e6dedb1e02 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
@@ -4499,7 +4499,7 @@ static const struct acpi_device_id hns_roce_acpi_match[] = {
};
MODULE_DEVICE_TABLE(acpi, hns_roce_acpi_match);
-static int hns_roce_node_match(struct device *dev, void *fwnode)
+static int hns_roce_node_match(struct device *dev, const void *fwnode)
{
return dev->fwnode == fwnode;
}
diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.c b/drivers/infiniband/hw/i40iw/i40iw_cm.c
index 84b3ff2687fb..2d6a378e8560 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_cm.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_cm.c
@@ -1773,8 +1773,11 @@ static enum i40iw_status_code i40iw_add_mqh_4(
if ((((rdma_vlan_dev_vlan_id(dev) < I40IW_NO_VLAN) &&
(rdma_vlan_dev_real_dev(dev) == iwdev->netdev)) ||
(dev == iwdev->netdev)) && (dev->flags & IFF_UP)) {
+ const struct in_ifaddr *ifa;
+
idev = in_dev_get(dev);
- for_ifa(idev) {
+
+ in_dev_for_each_ifa_rtnl(ifa, idev) {
i40iw_debug(&iwdev->sc_dev,
I40IW_DEBUG_CM,
"Allocating child CM Listener forIP=%pI4, vlan_id=%d, MAC=%pM\n",
@@ -1819,7 +1822,7 @@ static enum i40iw_status_code i40iw_add_mqh_4(
cm_parent_listen_node->cm_core->stats_listen_nodes_created--;
}
}
- endfor_ifa(idev);
+
in_dev_put(idev);
}
}
diff --git a/drivers/infiniband/hw/i40iw/i40iw_main.c b/drivers/infiniband/hw/i40iw/i40iw_main.c
index 10932baee279..d44cf33df81a 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_main.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_main.c
@@ -1222,8 +1222,10 @@ static void i40iw_add_ipv4_addr(struct i40iw_device *iwdev)
if ((((rdma_vlan_dev_vlan_id(dev) < 0xFFFF) &&
(rdma_vlan_dev_real_dev(dev) == iwdev->netdev)) ||
(dev == iwdev->netdev)) && (dev->flags & IFF_UP)) {
+ const struct in_ifaddr *ifa;
+
idev = in_dev_get(dev);
- for_ifa(idev) {
+ in_dev_for_each_ifa_rtnl(ifa, idev) {
i40iw_debug(&iwdev->sc_dev, I40IW_DEBUG_CM,
"IP=%pI4, vlan_id=%d, MAC=%pM\n", &ifa->ifa_address,
rdma_vlan_dev_vlan_id(dev), dev->dev_addr);
@@ -1235,7 +1237,7 @@ static void i40iw_add_ipv4_addr(struct i40iw_device *iwdev)
true,
I40IW_ARP_ADD);
}
- endfor_ifa(idev);
+
in_dev_put(idev);
}
}
diff --git a/drivers/infiniband/hw/i40iw/i40iw_utils.c b/drivers/infiniband/hw/i40iw/i40iw_utils.c
index 337410f40860..016524683e17 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_utils.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_utils.c
@@ -174,10 +174,14 @@ int i40iw_inetaddr_event(struct notifier_block *notifier,
rcu_read_lock();
in = __in_dev_get_rcu(upper_dev);
- if (!in->ifa_list)
- local_ipaddr = 0;
- else
- local_ipaddr = ntohl(in->ifa_list->ifa_address);
+ local_ipaddr = 0;
+ if (in) {
+ struct in_ifaddr *ifa;
+
+ ifa = rcu_dereference(in->ifa_list);
+ if (ifa)
+ local_ipaddr = ntohl(ifa->ifa_address);
+ }
rcu_read_unlock();
} else {
diff --git a/drivers/infiniband/hw/mlx4/alias_GUID.c b/drivers/infiniband/hw/mlx4/alias_GUID.c
index 2a0b59a4b6eb..cca414ecfcd5 100644
--- a/drivers/infiniband/hw/mlx4/alias_GUID.c
+++ b/drivers/infiniband/hw/mlx4/alias_GUID.c
@@ -310,7 +310,7 @@ static void aliasguid_query_handler(int status,
if (status) {
pr_debug("(port: %d) failed: status = %d\n",
cb_ctx->port, status);
- rec->time_to_run = ktime_get_boot_ns() + 1 * NSEC_PER_SEC;
+ rec->time_to_run = ktime_get_boottime_ns() + 1 * NSEC_PER_SEC;
goto out;
}
@@ -416,7 +416,7 @@ next_entry:
be64_to_cpu((__force __be64)rec->guid_indexes),
be64_to_cpu((__force __be64)applied_guid_indexes),
be64_to_cpu((__force __be64)declined_guid_indexes));
- rec->time_to_run = ktime_get_boot_ns() +
+ rec->time_to_run = ktime_get_boottime_ns() +
resched_delay_sec * NSEC_PER_SEC;
} else {
rec->status = MLX4_GUID_INFO_STATUS_SET;
@@ -709,7 +709,7 @@ static int get_low_record_time_index(struct mlx4_ib_dev *dev, u8 port,
}
}
if (resched_delay_sec) {
- u64 curr_time = ktime_get_boot_ns();
+ u64 curr_time = ktime_get_boottime_ns();
*resched_delay_sec = (low_record_time < curr_time) ? 0 :
div_u64((low_record_time - curr_time), NSEC_PER_SEC);
diff --git a/drivers/infiniband/hw/qedr/main.c b/drivers/infiniband/hw/qedr/main.c
index a0a7ba0a5af4..533157a2a3be 100644
--- a/drivers/infiniband/hw/qedr/main.c
+++ b/drivers/infiniband/hw/qedr/main.c
@@ -314,7 +314,8 @@ static void qedr_free_mem_sb(struct qedr_dev *dev,
struct qed_sb_info *sb_info, int sb_id)
{
if (sb_info->sb_virt) {
- dev->ops->common->sb_release(dev->cdev, sb_info, sb_id);
+ dev->ops->common->sb_release(dev->cdev, sb_info, sb_id,
+ QED_SB_TYPE_CNQ);
dma_free_coherent(&dev->pdev->dev, sizeof(*sb_info->sb_virt),
(void *)sb_info->sb_virt, sb_info->sb_phys);
}
@@ -506,11 +507,13 @@ static irqreturn_t qedr_irq_handler(int irq, void *handle)
static void qedr_sync_free_irqs(struct qedr_dev *dev)
{
u32 vector;
+ u16 idx;
int i;
for (i = 0; i < dev->int_info.used_cnt; i++) {
if (dev->int_info.msix_cnt) {
- vector = dev->int_info.msix[i * dev->num_hwfns].vector;
+ idx = i * dev->num_hwfns + dev->affin_hwfn_idx;
+ vector = dev->int_info.msix[idx].vector;
synchronize_irq(vector);
free_irq(vector, &dev->cnq_array[i]);
}
@@ -522,6 +525,7 @@ static void qedr_sync_free_irqs(struct qedr_dev *dev)
static int qedr_req_msix_irqs(struct qedr_dev *dev)
{
int i, rc = 0;
+ u16 idx;
if (dev->num_cnq > dev->int_info.msix_cnt) {
DP_ERR(dev,
@@ -531,7 +535,8 @@ static int qedr_req_msix_irqs(struct qedr_dev *dev)
}
for (i = 0; i < dev->num_cnq; i++) {
- rc = request_irq(dev->int_info.msix[i * dev->num_hwfns].vector,
+ idx = i * dev->num_hwfns + dev->affin_hwfn_idx;
+ rc = request_irq(dev->int_info.msix[idx].vector,
qedr_irq_handler, 0, dev->cnq_array[i].name,
&dev->cnq_array[i]);
if (rc) {
@@ -868,6 +873,16 @@ static struct qedr_dev *qedr_add(struct qed_dev *cdev, struct pci_dev *pdev,
dev->user_dpm_enabled = dev_info.user_dpm_enabled;
dev->rdma_type = dev_info.rdma_type;
dev->num_hwfns = dev_info.common.num_hwfns;
+
+ if (IS_IWARP(dev) && QEDR_IS_CMT(dev)) {
+ rc = dev->ops->iwarp_set_engine_affin(cdev, false);
+ if (rc) {
+ DP_ERR(dev, "iWARP is disabled over a 100g device Enabling it may impact L2 performance. To enable it run devlink dev param set <dev> name iwarp_cmt value true cmode runtime\n");
+ goto init_err;
+ }
+ }
+ dev->affin_hwfn_idx = dev->ops->common->get_affin_hwfn_idx(cdev);
+
dev->rdma_ctx = dev->ops->rdma_get_rdma_ctx(cdev);
dev->num_cnq = dev->ops->rdma_get_min_cnq_msix(cdev);
@@ -928,6 +943,10 @@ static void qedr_remove(struct qedr_dev *dev)
qedr_stop_hw(dev);
qedr_sync_free_irqs(dev);
qedr_free_resources(dev);
+
+ if (IS_IWARP(dev) && QEDR_IS_CMT(dev))
+ dev->ops->iwarp_set_engine_affin(dev->cdev, true);
+
ib_dealloc_device(&dev->ibdev);
}
diff --git a/drivers/infiniband/hw/qedr/qedr.h b/drivers/infiniband/hw/qedr/qedr.h
index 6175d1e98717..a92ca22e5de1 100644
--- a/drivers/infiniband/hw/qedr/qedr.h
+++ b/drivers/infiniband/hw/qedr/qedr.h
@@ -157,6 +157,8 @@ struct qedr_dev {
u32 dp_module;
u8 dp_level;
u8 num_hwfns;
+#define QEDR_IS_CMT(dev) ((dev)->num_hwfns > 1)
+ u8 affin_hwfn_idx;
u8 gsi_ll2_handle;
uint wq_multiplier;
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c
index 78fa634de98a..27b6e664e59d 100644
--- a/drivers/infiniband/hw/qib/qib_file_ops.c
+++ b/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -1142,7 +1142,7 @@ static __poll_t qib_poll(struct file *fp, struct poll_table_struct *pt)
static void assign_ctxt_affinity(struct file *fp, struct qib_devdata *dd)
{
struct qib_filedata *fd = fp->private_data;
- const unsigned int weight = cpumask_weight(&current->cpus_allowed);
+ const unsigned int weight = current->nr_cpus_allowed;
const struct cpumask *local_mask = cpumask_of_pcibus(dd->pcidev->bus);
int local_cpu;
@@ -1623,9 +1623,8 @@ static int qib_assign_ctxt(struct file *fp, const struct qib_user_info *uinfo)
ret = find_free_ctxt(i_minor - 1, fp, uinfo);
else {
int unit;
- const unsigned int cpu = cpumask_first(&current->cpus_allowed);
- const unsigned int weight =
- cpumask_weight(&current->cpus_allowed);
+ const unsigned int cpu = cpumask_first(current->cpus_ptr);
+ const unsigned int weight = current->nr_cpus_allowed;
if (weight == 1 && !test_bit(cpu, qib_cpulist))
if (!find_hca(cpu, &unit) && unit >= 0)
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_main.c b/drivers/infiniband/hw/usnic/usnic_ib_main.c
index 6ae5ce007fed..03f54eb9404b 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_main.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_main.c
@@ -429,11 +429,16 @@ static void *usnic_ib_device_add(struct pci_dev *dev)
if (netif_carrier_ok(us_ibdev->netdev))
usnic_fwd_carrier_up(us_ibdev->ufdev);
- ind = in_dev_get(netdev);
- if (ind->ifa_list)
- usnic_fwd_add_ipaddr(us_ibdev->ufdev,
- ind->ifa_list->ifa_address);
- in_dev_put(ind);
+ rcu_read_lock();
+ ind = __in_dev_get_rcu(netdev);
+ if (ind) {
+ const struct in_ifaddr *ifa;
+
+ ifa = rcu_dereference(ind->ifa_list);
+ if (ifa)
+ usnic_fwd_add_ipaddr(us_ibdev->ufdev, ifa->ifa_address);
+ }
+ rcu_read_unlock();
usnic_mac_ip_to_gid(us_ibdev->netdev->perm_addr,
us_ibdev->ufdev->inaddr, &gid.raw[0]);
diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c
index 43f7f12e5f7f..a7cde98e73e8 100644
--- a/drivers/infiniband/sw/siw/siw_cm.c
+++ b/drivers/infiniband/sw/siw/siw_cm.c
@@ -1963,6 +1963,7 @@ int siw_create_listen(struct iw_cm_id *id, int backlog)
if (id->local_addr.ss_family == AF_INET) {
struct in_device *in_dev = in_dev_get(dev);
struct sockaddr_in s_laddr, *s_raddr;
+ const struct in_ifaddr *ifa;
memcpy(&s_laddr, &id->local_addr, sizeof(s_laddr));
s_raddr = (struct sockaddr_in *)&id->remote_addr;
@@ -1973,8 +1974,7 @@ int siw_create_listen(struct iw_cm_id *id, int backlog)
&s_raddr->sin_addr, ntohs(s_raddr->sin_port));
rtnl_lock();
- for_ifa(in_dev)
- {
+ in_dev_for_each_ifa_rtnl(ifa, in_dev) {
if (ipv4_is_zeronet(s_laddr.sin_addr.s_addr) ||
s_laddr.sin_addr.s_addr == ifa->ifa_address) {
s_laddr.sin_addr.s_addr = ifa->ifa_address;
@@ -1986,7 +1986,6 @@ int siw_create_listen(struct iw_cm_id *id, int backlog)
listeners++;
}
}
- endfor_ifa(in_dev);
rtnl_unlock();
in_dev_put(in_dev);
} else if (id->local_addr.ss_family == AF_INET6) {
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index bb904ec511be..ac0583ff280d 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -2004,6 +2004,7 @@ static int ipoib_get_vf_config(struct net_device *dev, int vf,
return err;
ivf->vf = vf;
+ memcpy(ivf->mac, dev->dev_addr, dev->addr_len);
return 0;
}
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 0b09d0cd9b3c..c7bd96edce80 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -2340,7 +2340,6 @@ static void srp_handle_qp_err(struct ib_cq *cq, struct ib_wc *wc,
static int srp_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scmnd)
{
struct srp_target_port *target = host_to_target(shost);
- struct srp_rport *rport = target->rport;
struct srp_rdma_ch *ch;
struct srp_request *req;
struct srp_iu *iu;
@@ -2350,16 +2349,6 @@ static int srp_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scmnd)
u32 tag;
u16 idx;
int len, ret;
- const bool in_scsi_eh = !in_interrupt() && current == shost->ehandler;
-
- /*
- * The SCSI EH thread is the only context from which srp_queuecommand()
- * can get invoked for blocked devices (SDEV_BLOCK /
- * SDEV_CREATED_BLOCK). Avoid racing with srp_reconnect_rport() by
- * locking the rport mutex if invoked from inside the SCSI EH.
- */
- if (in_scsi_eh)
- mutex_lock(&rport->mutex);
scmnd->result = srp_chkready(target->rport);
if (unlikely(scmnd->result))
@@ -2428,13 +2417,7 @@ static int srp_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scmnd)
goto err_unmap;
}
- ret = 0;
-
-unlock_rport:
- if (in_scsi_eh)
- mutex_unlock(&rport->mutex);
-
- return ret;
+ return 0;
err_unmap:
srp_unmap_data(scmnd, ch, req);
@@ -2456,7 +2439,7 @@ err:
ret = SCSI_MLQUEUE_HOST_BUSY;
}
- goto unlock_rport;
+ return ret;
}
/*
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-12 03:03:16 +0000