block_device_operations->release() should return void

The value passed is 0 in all but "it can never happen" cases (and those
only in a couple of drivers) *and* it would've been lost on the way
out anyway, even if something tried to pass something meaningful.
Just don't bother.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index 65d7e7e2fb1f..5073cbc796d8 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -237,12 +237,12 @@ error_put:
         return ret;
 }
 
-static int blktrans_release(struct gendisk *disk, fmode_t mode)
+static void blktrans_release(struct gendisk *disk, fmode_t mode)
 {
         struct mtd_blktrans_dev *dev = blktrans_dev_get(disk);
 
         if (!dev)
-                return 0;
+                return;
 
         mutex_lock(&dev->lock);
 
@@ -260,7 +260,6 @@ static int blktrans_release(struct gendisk *disk, fmode_t mode)
 unlock:
         mutex_unlock(&dev->lock);
         blktrans_dev_put(dev);
-        return 0;
 }
 
 static int blktrans_getgeo(struct block_device *bdev, struct hd_geometry *geo)