[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 (file)
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1464,8 +1464,10 @@ static int deregister_disk(struct gendisk *disk, drive_info_struct *drv,
                        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;
+                       }
                }
        }