From: Markus Elfring <elfr...@users.sourceforge.net>
Date: Mon, 16 Nov 2015 10:30:29 +0100
The kfree_skb() function was called in one case by the
mISDN_sock_sendmsg() function during error handling even if a call of
the _l2_alloc_skb() function returned a null pointer.
This implementation detail could be improved by the introduction
of another jump label.
Signed-off-by: Markus Elfring <elfr...@users.sourceforge.net>
---
drivers/isdn/mISDN/socket.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index edd16ef..430ac8c 100644
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -200,7 +200,7 @@ mISDN_sock_sendmsg(struct socket *sock, struct msghdr *msg,
size_t len)
skb = _l2_alloc_skb(len, GFP_KERNEL);
if (!skb)
- goto done;
+ goto release_socket;
if (memcpy_from_msg(skb_put(skb, len), msg, len)) {
err = -EFAULT;
@@ -237,6 +237,7 @@ mISDN_sock_sendmsg(struct socket *sock, struct msghdr *msg,
size_t len)
done:
kfree_skb(skb);
+release_socket:
release_sock(sk);
return err;
}
--
2.6.2
--
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