From: Yanjun.Zhu <yanjun.zhu@linux.dev>
Date: Thu, 14 Mar 2024 06:51:40 +0000 (+0100)
Subject: RDMA/rxe: Fix the problem "mutex_destroy missing"
X-Git-Tag: v5.10.216~99
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=2e45acd12c28faf624ea1820c612e85375d05a24;p=thirdparty%2Fkernel%2Fstable.git

RDMA/rxe: Fix the problem "mutex_destroy missing"

[ Upstream commit 481047d7e8391d3842ae59025806531cdad710d9 ]

When a mutex lock is not used any more, the function mutex_destroy
should be called to mark the mutex lock uninitialized.

Fixes: 8700e3e7c485 ("Soft RoCE driver")
Signed-off-by: Yanjun.Zhu <yanjun.zhu@linux.dev>
Link: https://lore.kernel.org/r/20240314065140.27468-1-yanjun.zhu@linux.dev
Reviewed-by: Daisuke Matsuda <matsuda-daisuke@fujitsu.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c
index 95f0de0c8b49c..0505c81aa8d04 100644
--- a/drivers/infiniband/sw/rxe/rxe.c
+++ b/drivers/infiniband/sw/rxe/rxe.c
@@ -35,6 +35,8 @@ void rxe_dealloc(struct ib_device *ib_dev)
 
 	if (rxe->tfm)
 		crypto_free_shash(rxe->tfm);
+
+	mutex_destroy(&rxe->usdev_lock);
 }
 
 /* initialize rxe device parameters */