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| author |   Insu Yun <wuninsu@gmail.com> | 2016-02-17 13:06:33 -0500 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2016-02-29 17:11:57 -0500 |
| commit | a82268b30a8b4b920d0bad24472cbb000c8e734a (patch) | |
| tree | 063c147555cf98e4b6bf0c6604d5fa16ad7a6f1b /drivers/infiniband/hw/nes/nes_cm.c | |
| parent | RDMA/nes: Replace LRO with GRO (diff) | |
| download | linux-dev-a82268b30a8b4b920d0bad24472cbb000c8e734a.tar.xz linux-dev-a82268b30a8b4b920d0bad24472cbb000c8e734a.zip | |
nes: handling failed allocation when creating workqueue
Since create_singlethread_workqueue uses kzalloc internally,
it can fail when the system is under memory pressure, so need
to handle it.
Signed-off-by: Insu Yun <wuninsu@gmail.com>
Reviewed-by: Leon Romanovsky <leon@leon.nu>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/nes/nes_cm.c')
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_cm.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index cb9f0f27308d..e3fc2a14904c 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -2856,12 +2856,22 @@ static struct nes_cm_core *nes_cm_alloc_core(void) nes_debug(NES_DBG_CM, "Enable QUEUE EVENTS\n"); cm_core->event_wq = create_singlethread_workqueue("nesewq"); + if (!cm_core->event_wq) + goto out_free_cmcore; cm_core->post_event = nes_cm_post_event; nes_debug(NES_DBG_CM, "Enable QUEUE DISCONNECTS\n"); cm_core->disconn_wq = create_singlethread_workqueue("nesdwq"); + if (!cm_core->disconn_wq) + goto out_free_wq; print_core(cm_core); return cm_core; + +out_free_wq: + destroy_workqueue(cm_core->event_wq); +out_free_cmcore: + kfree(cm_core); + return NULL; } |