4.3-stable review patch. If anyone has any objections, please let me know.
------------------
From: Ying Xue <ying.xue@xxxxxxxxxxxxx>
[ Upstream commit 7098356baca723513e97ca0020df4e18bc353be3 ]
Coverity says:
---
net/tipc/udp_media.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
--- a/net/tipc/udp_media.c
+++ b/net/tipc/udp_media.c
@@ -159,8 +159,11 @@ static int tipc_udp_send_msg(struct net
struct sk_buff *clone;
struct rtable *rt;
- if (skb_headroom(skb) < UDP_MIN_HEADROOM)
- pskb_expand_head(skb, UDP_MIN_HEADROOM, 0, GFP_ATOMIC);
+ if (skb_headroom(skb) < UDP_MIN_HEADROOM) {
+ err = pskb_expand_head(skb, UDP_MIN_HEADROOM, 0, GFP_ATOMIC);
+ if (err)
+ goto tx_error;
+ }
clone = skb_clone(skb, GFP_ATOMIC);
skb_set_inner_protocol(clone, htons(ETH_P_TIPC));
--
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