mtd: mtdblock: Use DEFINE_MUTEX() for mtdblks_lock

mtdblks_lock can be initialized automatically with
DEFINE_MUTEX() rather than explicitly calling mutex_init().

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/mtd/mtdblock.c b/drivers/mtd/mtdblock.c
index 3326615ad66b..1976b6c0508d 100644
--- a/drivers/mtd/mtdblock.c
+++ b/drivers/mtd/mtdblock.c
@@ -44,7 +44,7 @@ struct mtdblk_dev {
         enum { STATE_EMPTY, STATE_CLEAN, STATE_DIRTY } cache_state;
 };
 
-static struct mutex mtdblks_lock;
+static DEFINE_MUTEX(mtdblks_lock);
 
 /*
  * Cache stuff...
@@ -389,8 +389,6 @@ static struct mtd_blktrans_ops mtdblock_tr = {
 
 static int __init init_mtdblock(void)
 {
-        mutex_init(&mtdblks_lock);
-
         return register_mtd_blktrans(&mtdblock_tr);
 }