Wei Yongjun
2013-Dec-16 02:45 UTC
[PATCH -next] xen-netback: fix fragments error handling in checksum_setup_ip()
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Fix to return -EPROTO error if fragments detected in checksum_setup_ip().
Fixes: 1431fb31ecba (''xen-netback: fix fragment detection in checksum
setup'')
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
drivers/net/xen-netback/netback.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/xen-netback/netback.c
b/drivers/net/xen-netback/netback.c
index 800496b..773b731 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1099,6 +1099,9 @@ static int checksum_setup_ip(struct xenvif *vif, struct
sk_buff *skb,
err = -EPROTO;
+ if (fragment)
+ goto out;
+
switch (ip_hdr(skb)->protocol) {
case IPPROTO_TCP:
err = maybe_pull_tail(skb,