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-rw-r--r--net/core/datagram.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/core/datagram.c b/net/core/datagram.c
index 81987df536eb..d219435d086c 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -213,6 +213,10 @@ int skb_copy_datagram_iovec(const struct sk_buff *skb, int offset,
{
int i, err, fraglen, end = 0;
struct sk_buff *next = skb_shinfo(skb)->frag_list;
+
+ if (!len)
+ return 0;
+
next_skb:
fraglen = skb_headlen(skb);
i = -1;