2018-09-20 14:42:03

by zhong jiang

[permalink] [raw]
Subject: [PATCH] mISDN: remove redundant null pointer check before kfree_skb

kfree_skb has taken the null pointer into account. hence it is safe
to remove the redundant null pointer check before kfree_skb.

Signed-off-by: zhong jiang <[email protected]>
---
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 18c0a12..15d3ca3 100644
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -236,8 +236,7 @@ static void mISDN_sock_unlink(struct mISDN_sock_list *l, struct sock *sk)
}

done:
- if (skb)
- kfree_skb(skb);
+ kfree_skb(skb);
release_sock(sk);
return err;
}
--
1.7.12.4