From: Pablo Neira Ayuso pablo@netfilter.org
commit 94945ad2b330207cded0fd8d4abebde43a776dfb upstream.
net/netfilter/nf_conntrack_core.c: In function nf_confirm_cthelper: net/netfilter/nf_conntrack_core.c:2117:15: warning: comparison of unsigned expression in < 0 is always false [-Wtype-limits] 2117 | if (protoff < 0 || (frag_off & htons(~0x7)) != 0) | ^
ipv6_skip_exthdr() returns a signed integer.
Reported-by: Colin Ian King colin.king@canonical.com Fixes: 703acd70f249 ("netfilter: nfnetlink_cthelper: unbreak userspace helper support") Signed-off-by: Pablo Neira Ayuso pablo@netfilter.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- net/netfilter/nf_conntrack_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -2090,7 +2090,7 @@ static int nf_confirm_cthelper(struct sk { const struct nf_conntrack_helper *helper; const struct nf_conn_help *help; - unsigned int protoff; + int protoff;
help = nfct_help(ct); if (!help)