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-rw-r--r--net/core/datagram.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/core/datagram.c b/net/core/datagram.c
index cb056f476126..029b93e246b4 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -450,6 +450,9 @@ int skb_copy_and_csum_datagram_iovec(struct sk_buff *skb,
__wsum csum;
int chunk = skb->len - hlen;
+ if (!chunk)
+ return 0;
+
/* Skip filled elements.
* Pretty silly, look at memcpy_toiovec, though 8)
*/