floppy: do put_disk on current dr if blk_init_queue fails

If blk_init_queue fails, we do not call put_disk on the current dr
(dr is decremented first in the error handling loop).

Cc: stable@vger.kernel.org
Reviewed-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 83112f0..9a558b6 100644 (file)
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4150,6 +4150,7 @@ static int __init do_floppy_init(void)
 
                disks[dr]->queue = blk_init_queue(do_fd_request, &floppy_lock);
                if (!disks[dr]->queue) {
+                       put_disk(disks[dr]);
                        err = -ENOMEM;
                        goto out_put_disk;
                }