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, 6 deletions

diff --git a/drivers/message/i2o/i2o_block.c b/drivers/message/i2o/i2o_block.c
index 49e86aed2bc4..6fc3866965df 100644
--- a/drivers/message/i2o/i2o_block.c
+++ b/drivers/message/i2o/i2o_block.c
@@ -600,10 +600,8 @@ static int i2o_block_open(struct block_device *bdev, fmode_t mode)
  *
  *      Unlock and unmount the media, and power down the device. Gets called if
  *      the block device is closed.
- *
- *      Returns 0 on success or negative error code on failure.
  */
-static int i2o_block_release(struct gendisk *disk, fmode_t mode)
+static void i2o_block_release(struct gendisk *disk, fmode_t mode)
 {
         struct i2o_block_device *dev = disk->private_data;
         u8 operation;
@@ -617,7 +615,7 @@ static int i2o_block_release(struct gendisk *disk, fmode_t mode)
          * the TID no longer exists.
          */
         if (!dev->i2o_dev)
-                return 0;
+                return;
 
         mutex_lock(&i2o_block_mutex);
         i2o_block_device_flush(dev->i2o_dev);
@@ -631,8 +629,6 @@ static int i2o_block_release(struct gendisk *disk, fmode_t mode)
 
         i2o_block_device_power(dev, operation);
         mutex_unlock(&i2o_block_mutex);
-
-        return 0;
 }
 
 static int i2o_block_getgeo(struct block_device *bdev, struct hd_geometry *geo)