netdev - [PATCH net 3/3] ipv4: eliminate lock count warnings in ping.c

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Message-Id: <1452118967-32123-4-git-send-email-lrichard@redhat.com>
Date:	Wed,  6 Jan 2016 17:22:47 -0500
From:	Lance Richardson <lrichard@...hat.com>
To:	netdev@...r.kernel.org
Subject: [PATCH net 3/3] ipv4: eliminate lock count warnings in ping.c

Add lock release/acquire annotations to ping_seq_start() and
ping_seq_stop() to satisfy sparse.

Signed-off-by: Lance Richardson <lrichard@...hat.com>
---
 net/ipv4/ping.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index e89094a..c117b21 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -1063,6 +1063,7 @@ static struct sock *ping_get_idx(struct seq_file *seq, loff_t pos)
 }
 
 void *ping_seq_start(struct seq_file *seq, loff_t *pos, sa_family_t family)
+	__acquires(ping_table.lock)
 {
 	struct ping_iter_state *state = seq->private;
 	state->bucket = 0;
@@ -1094,6 +1095,7 @@ void *ping_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 EXPORT_SYMBOL_GPL(ping_seq_next);
 
 void ping_seq_stop(struct seq_file *seq, void *v)
+	__releases(ping_table.lock)
 {
 	read_unlock_bh(&ping_table.lock);
 }
-- 
2.5.0

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