From 1963507e6233ceda2afeb4b9e8e1f17d59855959 Mon Sep 17 00:00:00 2001 From: Madhuparna Bhowmik Date: Mon, 16 Mar 2020 22:43:52 +0530 Subject: net: kcm: kcmproc.c: Fix RCU list suspicious usage warning This path fixes the suspicious RCU usage warning reported by kernel test robot. net/kcm/kcmproc.c:#RCU-list_traversed_in_non-reader_section There is no need to use list_for_each_entry_rcu() in kcm_stats_seq_show() as the list is always traversed under knet->mutex held. Reported-by: kernel test robot Signed-off-by: Madhuparna Bhowmik Signed-off-by: David S. Miller --- net/kcm/kcmproc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/kcm/kcmproc.c b/net/kcm/kcmproc.c index 370da2f80e3c..25c1007f1098 100644 --- a/net/kcm/kcmproc.c +++ b/net/kcm/kcmproc.c @@ -261,7 +261,7 @@ static int kcm_stats_seq_show(struct seq_file *seq, void *v) aggregate_strp_stats(&knet->aggregate_strp_stats, &strp_stats); - list_for_each_entry_rcu(mux, &knet->mux_list, kcm_mux_list) { + list_for_each_entry(mux, &knet->mux_list, kcm_mux_list) { spin_lock_bh(&mux->lock); aggregate_mux_stats(&mux->stats, &mux_stats); aggregate_psock_stats(&mux->aggregate_psock_stats, -- cgit v1.2.3