5.4-stable review patch. If anyone has any objections, please let me know.
------------------
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 de5f3efe9fcb4..76e103ef5be31 100644 --- a/drivers/infiniband/sw/rxe/rxe.c +++ b/drivers/infiniband/sw/rxe/rxe.c @@ -72,6 +72,8 @@ 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 */