From 2feb75c74db778c244719a5736b2b1dde914bb0c Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Wed, 9 Nov 2005 10:22:12 -0800 Subject: [PATCH] NET: Fix zero-size datagram reception The recent rewrite of skb_copy_datagram_iovec broke the reception of zero-size datagrams. This patch fixes it. Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- net/core/datagram.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/core/datagram.c b/net/core/datagram.c index 81987df536e..d219435d086 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; -- cgit v1.2.3-18-g5258