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authorBill Nottingham <notting@redhat.com>2007-05-31 21:33:35 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-06-03 18:08:47 -0700
commit75202e76893c11ce7f8bcc9a07f994d71e3d5113 (patch)
tree71d9e0aaabb6b3904c477f8ee253484245e38d49 /net/ipv6
parent60468d5b5b6931b4d4d704e26b5f17a6e476e6f8 (diff)
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[NET]: Fix comparisons of unsigned < 0.
Recent gcc versions emit warnings when unsigned variables are compared < 0 or >= 0. Signed-off-by: Bill Nottingham <notting@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c3
-rw-r--r--net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c3
2 files changed, 2 insertions, 4 deletions
diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index 6d2a0820511..dc442fb791b 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -177,8 +177,7 @@ static unsigned int ipv6_confirm(unsigned int hooknum,
protoff = nf_ct_ipv6_skip_exthdr(*pskb, extoff, &pnum,
(*pskb)->len - extoff);
- if (protoff < 0 || protoff > (*pskb)->len ||
- pnum == NEXTHDR_FRAGMENT) {
+ if (protoff > (*pskb)->len || pnum == NEXTHDR_FRAGMENT) {
DEBUGP("proto header not found\n");
return NF_ACCEPT;
}
diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
index 0be790d250f..8814b95b232 100644
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -168,8 +168,7 @@ icmpv6_error_message(struct sk_buff *skb,
skb->len - inip6off
- sizeof(struct ipv6hdr));
- if ((inprotoff < 0) || (inprotoff > skb->len) ||
- (inprotonum == NEXTHDR_FRAGMENT)) {
+ if ((inprotoff > skb->len) || (inprotonum == NEXTHDR_FRAGMENT)) {
DEBUGP("icmpv6_error: Can't get protocol header in ICMPv6 payload.\n");
return -NF_ACCEPT;
}