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-rw-r--r--net/dsa/tag_trailer.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/dsa/tag_trailer.c b/net/dsa/tag_trailer.c
index 7d20e1f3de28..56197f0d9608 100644
--- a/net/dsa/tag_trailer.c
+++ b/net/dsa/tag_trailer.c
@@ -75,7 +75,8 @@ static struct sk_buff *trailer_rcv(struct sk_buff *skb, struct net_device *dev,
if (!skb->dev)
return NULL;
- pskb_trim_rcsum(skb, skb->len - 4);
+ if (pskb_trim_rcsum(skb, skb->len - 4))
+ return NULL;
return skb;
}