From 59bb1d698028d7f01650f9def579efdfdfb7039f Mon Sep 17 00:00:00 2001 From: Gavrilov Ilia Date: Tue, 12 Sep 2023 08:42:49 +0000 Subject: ipv6: mcast: Remove redundant comparison in igmp6_mcf_get_next() 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 Reviewed-by: David Ahern Link: https://lore.kernel.org/r/20230912084100.1502379-1-Ilia.Gavrilov@infotecs.ru Signed-off-by: Paolo Abeni --- net/ipv6/mcast.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'net/ipv6/mcast.c') diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index 5ce25bcb9974..421264a69e97 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -3011,8 +3011,6 @@ 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: -- cgit v1.2.3