linux-kernel - [PATCH] Drivers:staging:ozwpan Fixed sparse context imbalance warning

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Date:	Fri, 28 Feb 2014 08:57:02 -0800
From:	Surendra Patil <surendra.tux@...il.com>
To:	rupesh.gujare@...el.com, gregkh@...uxfoundation.org
Cc:	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	surendra.tux@...il.com
Subject: [PATCH] Drivers:staging:ozwpan Fixed sparse context imbalance warning

Sparse warns about -
drivers/staging/ozwpan/ozproto.c:797:6: warning: context imbalance in 'oz_polling_lock_bh' - wrong count at exit
drivers/staging/ozwpan/ozproto.c:802:6: warning: context imbalance in 'oz_polling_unlock_bh' - unexpected unlock
so added __acquires() and __releases().

Signed-off-by: Surendra Patil <surendra.tux@...il.com>
---
 drivers/staging/ozwpan/ozproto.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/ozwpan/ozproto.c b/drivers/staging/ozwpan/ozproto.c
index e7138ed..b47cec1 100644
--- a/drivers/staging/ozwpan/ozproto.c
+++ b/drivers/staging/ozwpan/ozproto.c
@@ -795,11 +795,13 @@ int oz_get_pd_list(struct oz_mac_addr *addr, int max_count)
 }
 
 void oz_polling_lock_bh(void)
+__acquires(&g_polling_block)
 {
 	spin_lock_bh(&g_polling_lock);
 }
 
 void oz_polling_unlock_bh(void)
+__releases(&g_polling_block)
 {
 	spin_unlock_bh(&g_polling_lock);
 }
-- 
1.8.3.2

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