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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2013-12-16 10:45:05 +0800
committerDavid S. Miller <davem@davemloft.net>2013-12-17 16:18:18 -0500
commit7022ef8b2a673db3d12a348331181f579afe9b22 (patch)
tree964c7d9b0acb1a2bef6f288be65859bd3499e79c
parent53385d2d1de84f4036a0919ec46964c4e81b83f5 (diff)
xen-netback: fix fragments error handling in checksum_setup_ip()
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> Reviewed-by: Paul Durrant <paul.durrant@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/xen-netback/netback.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index e884ee1fe7e..27bbe58dcbe 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1197,6 +1197,9 @@ 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,