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

From: Pravin Shelar
Date: Mon Sep 21 2015 - 13:46:03 EST


On Mon, Sep 21, 2015 at 6:33 AM, Andrzej Hajda <a.hajda@xxxxxxxxxxx> wrote:
> 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 <a.hajda@xxxxxxxxxxx>
> ---
> 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;
>

A patch is already pushed to the net tree to fix this issue.
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