[lvc-project] [PATCH net] ipv6: mcast: Remove redundant comparison in igmp6_mcf_get_next()

Gavrilov Ilia Ilia.Gavrilov at infotecs.ru
Mon Aug 28 14:18:02 MSK 2023


The 'state->im' value will always be non-zero after
the 'while' statement, so the check can be removed.

Found by InfoTeCS on behalf of Linux Verification Center
(linuxtesting.org) with SVACE.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Gavrilov Ilia <Ilia.Gavrilov at infotecs.ru>
---
 net/ipv6/mcast.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 714cdc9e2b8e..9696343d0aa9 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -3013,8 +3013,6 @@ static struct ip6_sf_list *igmp6_mcf_get_next(struct seq_file *seq, struct ip6_s
 				continue;
 			state->im = rcu_dereference(state->idev->mc_list);
 		}
-		if (!state->im)
-			break;
 		psf = rcu_dereference(state->im->mca_sources);
 	}
 out:
-- 
2.39.2



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