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From:   Jules Irenge <jbi.octave@gmail.com>
To:     boqun.feng@gmail.com
Cc:     jbi.octave@gmail.com, linux-kernel@vger.kernel.org,
        Minchan Kim <minchan@kernel.org>,
        Nitin Gupta <ngupta@vflare.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
        Jens Axboe <axboe@kernel.dk>,
        linux-block@vger.kernel.org (open list:BLOCK LAYER)
Subject: [PATCH 25/30] zram: Add missing annotatin for zram_slot_lock()
Date:   Sun, 23 Feb 2020 23:17:06 +0000
Message-Id: <20200223231711.157699-26-jbi.octave@gmail.com>
In-Reply-To: <20200223231711.157699-1-jbi.octave@gmail.com>
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 <20200223231711.157699-1-jbi.octave@gmail.com>
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Sparse reports a warning at zram_slot_lock()
warning: context imbalance in zram_slot_lock() - wrong count at exit
The root cause is the missing annotation at zram_slot_lock()
Add the missing  __acquires(ZRAM_LOCK) annotation

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
---
 drivers/block/zram/zram_drv.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 1bdb5793842b..1462b1bfec11 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -62,6 +62,7 @@ static int zram_slot_trylock(struct zram *zram, u32 index)
 }
 
 static void zram_slot_lock(struct zram *zram, u32 index)
+	__acquires(ZRAM_LOCK)
 {
 	bit_spin_lock(ZRAM_LOCK, &zram->table[index].flags);
 }
-- 
2.24.1