Patchwork Fix comment for packets without data

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Submitter Florent Fourcot
Date Dec. 14, 2012, 10:53 a.m.
Message ID <1355482413-18629-1-git-send-email-florent.fourcot@enst-bretagne.fr>
Download mbox | patch
Permalink /patch/206387/
State Not Applicable
Delegated to: David Miller
Headers show

Comments

Florent Fourcot - Dec. 14, 2012, 10:53 a.m.
Remove ambiguity of double negation

Signed-off-by: Florent Fourcot <florent.fourcot@enst-bretagne.fr>
---
 net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
Rick Jones - Dec. 14, 2012, 9:28 p.m.
On 12/14/2012 02:53 AM, Florent Fourcot wrote:
> Remove ambiguity of double negation
>
> Signed-off-by: Florent Fourcot <florent.fourcot@enst-bretagne.fr>
> ---
>   net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c |    4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
> index 00ee17c..137e245 100644
> --- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
> +++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
> @@ -81,8 +81,8 @@ static int ipv6_get_l4proto(const struct sk_buff *skb, unsigned int nhoff,
>   	}
>   	protoff = ipv6_skip_exthdr(skb, extoff, &nexthdr, &frag_off);
>   	/*
> -	 * (protoff == skb->len) mean that the packet doesn't have no data
> -	 * except of IPv6 & ext headers. but it's tracked anyway. - YK
> +	 * (protoff == skb->len) means the packet has not data, just
> +	 * IPv6 and possibly extensions headers, but it is tracked anyway
>   	 */
>   	if (protoff < 0 || (frag_off & htons(~0x7)) != 0) {
>   		pr_debug("ip6_conntrack_core: can't find proto in pkt\n");
>

Acked-by: Rick Jones <rick.jones2@hp.com>

rick
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Pablo Neira - Dec. 16, 2012, 10:38 p.m.
On Fri, Dec 14, 2012 at 01:28:54PM -0800, Rick Jones wrote:
> On 12/14/2012 02:53 AM, Florent Fourcot wrote:
> >Remove ambiguity of double negation
> >
> >Signed-off-by: Florent Fourcot <florent.fourcot@enst-bretagne.fr>
> >---
> >  net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c |    4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> >diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
> >index 00ee17c..137e245 100644
> >--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
> >+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
> >@@ -81,8 +81,8 @@ static int ipv6_get_l4proto(const struct sk_buff *skb, unsigned int nhoff,
> >  	}
> >  	protoff = ipv6_skip_exthdr(skb, extoff, &nexthdr, &frag_off);
> >  	/*
> >-	 * (protoff == skb->len) mean that the packet doesn't have no data
> >-	 * except of IPv6 & ext headers. but it's tracked anyway. - YK
> >+	 * (protoff == skb->len) means the packet has not data, just
> >+	 * IPv6 and possibly extensions headers, but it is tracked anyway
> >  	 */
> >  	if (protoff < 0 || (frag_off & htons(~0x7)) != 0) {
> >  		pr_debug("ip6_conntrack_core: can't find proto in pkt\n");
> >
> 
> Acked-by: Rick Jones <rick.jones2@hp.com>

Applied, thanks.

That was many discussion for a patch to fix a comment, nice indeed :-)
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Patch

diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index 00ee17c..137e245 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -81,8 +81,8 @@  static int ipv6_get_l4proto(const struct sk_buff *skb, unsigned int nhoff,
 	}
 	protoff = ipv6_skip_exthdr(skb, extoff, &nexthdr, &frag_off);
 	/*
-	 * (protoff == skb->len) mean that the packet doesn't have no data
-	 * except of IPv6 & ext headers. but it's tracked anyway. - YK
+	 * (protoff == skb->len) means the packet has not data, just
+	 * IPv6 and possibly extensions headers, but it is tracked anyway
 	 */
 	if (protoff < 0 || (frag_off & htons(~0x7)) != 0) {
 		pr_debug("ip6_conntrack_core: can't find proto in pkt\n");