floppy: Fix a crash during rmmod
commit4609dff6b5d11e1ed5ff935e15f9f6022acb312b
authorVivek Goyal <vgoyal@redhat.com>
Wed, 8 Feb 2012 19:03:39 +0000 (8 20:03 +0100)
committerJens Axboe <axboe@kernel.dk>
Wed, 8 Feb 2012 19:03:39 +0000 (8 20:03 +0100)
treeb1ffb94d7247ad6ba70e8d76800907a6450f7ebd
parent3f9a5aabd0a9fe0e0cd308506f48963d79169aa7
floppy: Fix a crash during rmmod

floppy driver does not call add_disk() on all the drives hence we don't take
gendisk reference on request queue for these drives. Don't call put_disk()
with disk->queue set, otherwise we try to put the reference we never took.

Reported-and-tested-by: Dirk Gouders <gouders@et.bocholt.fh-gelsenkirchen.de>
Signed-off-by: Vivek Goyal<vgoyal@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/block/floppy.c