From: Xin Long <lucien.xin@gmail.com>
Date: Sat, 10 Jun 2017 07:13:32 +0000 (+0800)
Subject: sctp: use read_lock_bh in sctp_eps_seq_show
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c0a4c2d1cde70d876da3f5a76a7284abf8d1800a;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

sctp: use read_lock_bh in sctp_eps_seq_show

This patch is to use read_lock_bh instead of local_bh_disable
and read_lock in sctp_eps_seq_show.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/sctp/proc.c b/net/sctp/proc.c
index 5a27d0f03df5..8e34db56bc1d 100644
--- a/net/sctp/proc.c
+++ b/net/sctp/proc.c
@@ -218,8 +218,7 @@ static int sctp_eps_seq_show(struct seq_file *seq, void *v)
 		return -ENOMEM;
 
 	head = &sctp_ep_hashtable[hash];
-	local_bh_disable();
-	read_lock(&head->lock);
+	read_lock_bh(&head->lock);
 	sctp_for_each_hentry(epb, &head->chain) {
 		ep = sctp_ep(epb);
 		sk = epb->sk;
@@ -234,8 +233,7 @@ static int sctp_eps_seq_show(struct seq_file *seq, void *v)
 		sctp_seq_dump_local_addrs(seq, epb);
 		seq_printf(seq, "\n");
 	}
-	read_unlock(&head->lock);
-	local_bh_enable();
+	read_unlock_bh(&head->lock);
 
 	return 0;
 }