From: Herbert Xu <[email protected]>
The recent rewrite of skb_copy_datagram_iovec broke the reception of
zero-size datagrams. This patch fixes it.
Signed-off-by: Herbert Xu <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
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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