[PATCH] cciss: fix for deregister_disk
This patch adds setting our drv->queue = NULL back in deregister_disk. The
drv->queue is part of our controller struct. blk_cleanup_queue works only
on the queue in the gendisk struct.
Signed-off-by: Mike Miller <mike.miller@hp.com>
Cc: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index e34104d..c3441b3 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1464,8 +1464,10 @@
request_queue_t *q = disk->queue;
if (disk->flags & GENHD_FL_UP)
del_gendisk(disk);
- if (q)
+ if (q) {
blk_cleanup_queue(q);
+ drv->queue = NULL;
+ }
}
}