From: Leon Romanovsky <leonro@xxxxxxxxxxxx> 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@xxxxxxxxxxxx> --- drivers/infiniband/core/cm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index c165c119757d..8df1891f3d08 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -1745,7 +1745,9 @@ static void cm_process_work(struct cm_id_private *cm_id_priv, spin_lock_irq(&cm_id_priv->lock); work = cm_dequeue_work(cm_id_priv); spin_unlock_irq(&cm_id_priv->lock); - BUG_ON(!work); + if (!work) + return; + ret = cm_id_priv->id.cm_handler(&cm_id_priv->id, &work->cm_event); cm_free_work(work); -- 2.14.3 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
