Re: [PATCH 08/38] openvswitch: fix handling result of ipv6_skip_exthdr

The function can return negative value.

The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2038576

Signed-off-by: Andrzej Hajda <redacted>
---
 net/openvswitch/conntrack.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index 002a755..fde3391 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c

@@ -253,7 +253,7 @@ static int ovs_ct_helper(struct sk_buff *skb, u16 proto)
        const struct nf_conntrack_helper *helper;
        const struct nf_conn_help *help;
        enum ip_conntrack_info ctinfo;
-       unsigned int protoff;
+       int protoff;
        struct nf_conn *ct;