Re: [PATCH nf-next 4/4] openvswitch: __nf_ct_l{3,4}proto_find() always return a valid pointer

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Acked-by: Jarno Rajahalme <jrajahalme@xxxxxxxxxx>

> On May 3, 2016, at 3:54 AM, Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> wrote:
> 
> If the protocol is not natively supported, this assigns generic protocol
> tracker so we can always assume a valid pointer after these calls.
> 
> Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
> ---
> net/openvswitch/conntrack.c | 8 --------
> 1 file changed, 8 deletions(-)
> 
> diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
> index 9741a76..9f0bc49 100644
> --- a/net/openvswitch/conntrack.c
> +++ b/net/openvswitch/conntrack.c
> @@ -439,20 +439,12 @@ ovs_ct_find_existing(struct net *net, const struct nf_conntrack_zone *zone,
> 	u8 protonum;
> 
> 	l3proto = __nf_ct_l3proto_find(l3num);
> -	if (!l3proto) {
> -		pr_debug("ovs_ct_find_existing: Can't get l3proto\n");
> -		return NULL;
> -	}
> 	if (l3proto->get_l4proto(skb, skb_network_offset(skb), &dataoff,
> 				 &protonum) <= 0) {
> 		pr_debug("ovs_ct_find_existing: Can't get protonum\n");
> 		return NULL;
> 	}
> 	l4proto = __nf_ct_l4proto_find(l3num, protonum);
> -	if (!l4proto) {
> -		pr_debug("ovs_ct_find_existing: Can't get l4proto\n");
> -		return NULL;
> -	}
> 	if (!nf_ct_get_tuple(skb, skb_network_offset(skb), dataoff, l3num,
> 			     protonum, net, &tuple, l3proto, l4proto)) {
> 		pr_debug("ovs_ct_find_existing: Can't get tuple\n");
> -- 
> 2.1.4
> 
> --
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