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Subject[patch 07/11] NET: Fix zero-size datagram reception
From: Herbert Xu <herbert@gondor.apana.org.au>

The recent rewrite of skb_copy_datagram_iovec broke the reception of
zero-size datagrams. This patch fixes it.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
net/core/datagram.c | 4 ++++
1 file changed, 4 insertions(+)

--- linux-2.6.14.1.orig/net/core/datagram.c
+++ linux-2.6.14.1/net/core/datagram.c
@@ -213,6 +213,10 @@ int skb_copy_datagram_iovec(const struct
{
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;
--
-
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