[PATCH 6.6 060/158] RDMA/rxe: Fix the problem "mutex_destroy missing"

Greg Kroah-Hartman
2024-04-23T21:43:17Z

From: Yanjun.Zhu <yanjun.zhu@linux.dev>

[ 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>
---
drivers/infiniband/sw/rxe/rxe.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c
index 54c723a6eddac..6f9ec8db014c7 100644
--- a/drivers/infiniband/sw/rxe/rxe.c
+++ b/drivers/infiniband/sw/rxe/rxe.c
@@ -33,6 +33,8 @@ 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 */
--
2.43.0