Commit 349b71d6 authored by Zhouyang Jia's avatar Zhouyang Jia Committed by David S. Miller

net: dsa: add error handling for pskb_trim_rcsum

When pskb_trim_rcsum fails, the lack of error-handling code may
cause unexpected results.

This patch adds error-handling code after calling pskb_trim_rcsum.
Signed-off-by: default avatarZhouyang Jia <jiazhouyang09@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 09757646
...@@ -75,7 +75,8 @@ static struct sk_buff *trailer_rcv(struct sk_buff *skb, struct net_device *dev, ...@@ -75,7 +75,8 @@ static struct sk_buff *trailer_rcv(struct sk_buff *skb, struct net_device *dev,
if (!skb->dev) if (!skb->dev)
return NULL; return NULL;
pskb_trim_rcsum(skb, skb->len - 4); if (pskb_trim_rcsum(skb, skb->len - 4))
return NULL;
return skb; return skb;
} }
......
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