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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/loop.c
parent8a9c594422ecad912d6470888acdee9a1236ad68 (diff)
downloadtalos-obmc-linux-4c823cc3d568277aa6340d8df6981e34f4c4dee5.tar.gz
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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/loop.c')
-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 {
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