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authorAyan George <ayan@ayan.net>2011-09-21 10:02:13 +0200
committerJens Axboe <axboe@kernel.dk>2011-09-21 10:02:13 +0200
commit4c823cc3d568277aa6340d8df6981e34f4c4dee5 (patch)
tree69d160a2baf1c6d346b1e4978cb294a2af9ad66f /drivers/block
parent8a9c594422ecad912d6470888acdee9a1236ad68 (diff)
downloadlinux-4c823cc3d568277aa6340d8df6981e34f4c4dee5.tar.gz
drivers/block/loop.c: remove unnecessary bdev argument from loop_clr_fd()
If the loop device is associated (lo->lo_state == Lo_bound), it will have
a valid bdev pointed to by lo->lo_device.  There is no reason to ever pass
an additional block_device pointer.

Signed-off-by: Ayan George <ayan.george@canonical.com>
Cc: Phillip Susi <psusi@cfl.rr.com>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@google.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/loop.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index c2ce03cf3a58..9b2f5d3c19ab 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1051,10 +1051,11 @@ loop_init_xfer(struct loop_device *lo, struct loop_func_table *xfer,
 	return err;
 }
 
-static int loop_clr_fd(struct loop_device *lo, struct block_device *bdev)
+static int loop_clr_fd(struct loop_device *lo)
 {
 	struct file *filp = lo->lo_backing_file;
 	gfp_t gfp = lo->old_gfp_mask;
+	struct block_device *bdev = lo->lo_device;
 
 	if (lo->lo_state != Lo_bound)
 		return -ENXIO;
@@ -1372,7 +1373,7 @@ static int lo_ioctl(struct block_device *bdev, fmode_t mode,
 		break;
 	case LOOP_CLR_FD:
 		/* loop_clr_fd would have unlocked lo_ctl_mutex on success */
-		err = loop_clr_fd(lo, bdev);
+		err = loop_clr_fd(lo);
 		if (!err)
 			goto out_unlocked;
 		break;
@@ -1583,7 +1584,7 @@ static int lo_release(struct gendisk *disk, fmode_t mode)
 		 * In autoclear mode, stop the loop thread
 		 * and remove configuration after last close.
 		 */
-		err = loop_clr_fd(lo, lo->lo_device);
+		err = loop_clr_fd(lo);
 		if (!err)
 			goto out_unlocked;
 	} else {