linux-kernel - [PATCH 37/43] drivers/net/wireless: fix sparse warning: context imbalance

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Message-ID: <20090214214833.24377.6182.stgit@vmbox.hanneseder.net>
Date:	Sat, 14 Feb 2009 22:48:44 +0100
From:	Hannes Eder <hannes@...neseder.net>
To:	netdev@...r.kernel.org
Cc:	kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 37/43] drivers/net/wireless: fix sparse warning: context
	imbalance

Impact: Attribute function with __acquires(...) resp. __releases(...).

Fix this sparse warnings:
  drivers/net/wireless/strip.c:955:21: warning: context imbalance in 'strip_seq_start' - wrong count at exit
  drivers/net/wireless/strip.c:975:13: warning: context imbalance in 'strip_seq_stop' - unexpected unlock

Signed-off-by: Hannes Eder <hannes@...neseder.net>
---
 drivers/net/wireless/strip.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/strip.c b/drivers/net/wireless/strip.c
index d6bf8d2..39f525e 100644
--- a/drivers/net/wireless/strip.c
+++ b/drivers/net/wireless/strip.c
@@ -950,6 +950,7 @@ static struct strip *strip_get_idx(loff_t pos)
 }
 
 static void *strip_seq_start(struct seq_file *seq, loff_t *pos)
+	__acquires(RCU)
 {
 	rcu_read_lock();
 	return *pos ? strip_get_idx(*pos - 1) : SEQ_START_TOKEN;
@@ -973,6 +974,7 @@ static void *strip_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 }
 
 static void strip_seq_stop(struct seq_file *seq, void *v)
+	__releases(RCU)
 {
 	rcu_read_unlock();
 }

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