RDMA/rxe: Fix the problem "mutex_destroy missing"

zhuyj · rleon · commit 481047d7e839 · 2024-04-01T14:36:41.000+03:00
When a mutex lock is not used any more, the function mutex_destroy should be called to mark the mutex lock uninitialized. Fixes: 8700e3e ("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>
diff --git 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 */

Original file line number	Diff line number	Diff line change
`@@ -33,6 +33,8 @@ void rxe_dealloc(struct ib_device *ib_dev)`
`33`	`33`
`34`	`34`	`if (rxe->tfm)`
`35`	`35`	`crypto_free_shash(rxe->tfm);`
	`36`	`+`
	`37`	`+ mutex_destroy(&rxe->usdev_lock);`
`36`	`38`	`}`
`37`	`39`
`38`	`40`	`/* initialize rxe device parameters */`