From: Markus Elfring <elfr...@users.sourceforge.net>
Date: Mon, 16 Nov 2015 10:10:53 +0100

The kfree_skb() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfr...@users.sourceforge.net>
---
 drivers/isdn/mISDN/socket.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index 0d29b5a..edd16ef 100644
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -236,8 +236,7 @@ mISDN_sock_sendmsg(struct socket *sock, struct msghdr *msg, 
size_t len)
        }
 
 done:
-       if (skb)
-               kfree_skb(skb);
+       kfree_skb(skb);
        release_sock(sk);
        return err;
 }
-- 
2.6.2

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