[PATCH] [net/ipv6] Remove redundant null check in hbh_mt6
From: Gaurav Singh <hidden>
Date: 2020-06-25 02:46:16
Also in:
lkml, netfilter-devel
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
oh cannot be NULL since its already checked above after assignment and is being dereferenced before. Remove the redundant null check. Signed-off-by: Gaurav Singh <redacted> --- net/ipv6/netfilter/ip6t_hbh.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/net/ipv6/netfilter/ip6t_hbh.c b/net/ipv6/netfilter/ip6t_hbh.c
index 467b2a86031b..e7a3fb9355ee 100644
--- a/net/ipv6/netfilter/ip6t_hbh.c
+++ b/net/ipv6/netfilter/ip6t_hbh.c@@ -86,8 +86,7 @@ hbh_mt6(const struct sk_buff *skb, struct xt_action_param *par) ((optinfo->hdrlen == hdrlen) ^ !!(optinfo->invflags & IP6T_OPTS_INV_LEN)))); - ret = (oh != NULL) && - (!(optinfo->flags & IP6T_OPTS_LEN) || + ret = (!(optinfo->flags & IP6T_OPTS_LEN) || ((optinfo->hdrlen == hdrlen) ^ !!(optinfo->invflags & IP6T_OPTS_INV_LEN)));
--
2.17.1