From: Jules Irenge <jbi.octave@gmail.com>
Date: Wed, 11 Mar 2020 01:09:06 +0000 (+0000)
Subject: net: Add missing annotation for *netlink_seq_start()
X-Git-Tag: block-5.7-2020-04-09~9^2~192
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=64fbca011976ce1564f191f4154e4a6ade25779a;p=linux-block.git

net: Add missing annotation for *netlink_seq_start()

Sparse reports a warning at netlink_seq_start()

warning: context imbalance in netlink_seq_start() - wrong count at exit
The root cause is the missing annotation at netlink_seq_start()
Add the missing  __acquires(RCU) annotation

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 813bfab13296..19df49a6ad15 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2583,6 +2583,7 @@ static void *__netlink_seq_next(struct seq_file *seq)
 }
 
 static void *netlink_seq_start(struct seq_file *seq, loff_t *posp)
+	__acquires(RCU)
 {
 	struct nl_seq_iter *iter = seq->private;
 	void *obj = SEQ_START_TOKEN;