From: Leon Romanovsky <leonro@mellanox.com>
Date: Tue, 29 May 2018 11:56:18 +0000 (+0300)
Subject: RDMA/mad: Delete inaccessible BUG_ON
X-Git-Tag: v4.18-rc1~105^2~21
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=dee92c4bf53b2701d382ce9e32c57d194a393bfe;p=linux.git

RDMA/mad: Delete inaccessible BUG_ON

There is no need to check existence of mad_queue, because we already did
pointer dereference before call to dequeue_mad().

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
---

diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index b28452a55a08..35295e74de04 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -651,7 +651,6 @@ static void dequeue_mad(struct ib_mad_list_head *mad_list)
 	struct ib_mad_queue *mad_queue;
 	unsigned long flags;
 
-	BUG_ON(!mad_list->mad_queue);
 	mad_queue = mad_list->mad_queue;
 	spin_lock_irqsave(&mad_queue->lock, flags);
 	list_del(&mad_list->list);