UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

RDMA/cm: Abort loop in case of CM dequeue 

In case CM work list is empty, the work pointer will be NULL,
so instead of kernel crash it is better to abort processing
of works.

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Leon Romanovsky 2018-05-29 14:56:16 +03:00 committed by Doug Ledford
parent cd13a399e6
commit 2f5059a7af
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/infiniband/core/cm.c
View File

@ -1707,7 +1707,9 @@ static void cm_process_work(struct cm_id_private *cm_id_priv,
spin_lock_irq(&cm_id_priv->lock); spin_lock_irq(&cm_id_priv->lock);
work = cm_dequeue_work(cm_id_priv); work = cm_dequeue_work(cm_id_priv);
spin_unlock_irq(&cm_id_priv->lock); spin_unlock_irq(&cm_id_priv->lock);
BUG_ON(!work); if (!work)
return;
ret = cm_id_priv->id.cm_handler(&cm_id_priv->id, ret = cm_id_priv->id.cm_handler(&cm_id_priv->id,
&work->cm_event); &work->cm_event);
cm_free_work(work); cm_free_work(work);