net/caif/caif_socket.c: remove unnecessary null test before debugfs_remove_recursive

based on checkpatch:
"debugfs_remove_recursive(NULL) is safe this check is probably not required"

Cc: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 2 deletions

diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c
index e8437094d15f..43f750e88e19 100644
--- a/net/caif/caif_socket.c
+++ b/net/caif/caif_socket.c
@@ -908,8 +908,7 @@ static int caif_release(struct socket *sock)
         sock->sk = NULL;
 
         WARN_ON(IS_ERR(cf_sk->debugfs_socket_dir));
-        if (cf_sk->debugfs_socket_dir != NULL)
-                debugfs_remove_recursive(cf_sk->debugfs_socket_dir);
+        debugfs_remove_recursive(cf_sk->debugfs_socket_dir);
 
         lock_sock(&(cf_sk->sk));
         sk->sk_state = CAIF_DISCONNECTED;