[PATCH] [net/ipv6] Remove redundant null check in hbh_mt6

From: Gaurav Singh
Date: Wed Jun 24 2020 - 22:46:17 EST


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 <gaurav1086@xxxxxxxxx>
---
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