From 2f6331faf58a4727a9f1138cd6db30d05b124220 Mon Sep 17 00:00:00 2001
From: Mike Miller <mike.miller@hp.com>
Date: Mon, 12 Dec 2005 22:17:14 -0800
Subject: [PATCH] [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>
---
 drivers/block/cciss.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index e34104d326..c3441b3f08 100644
--- 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;
+			}
 		}
 	}
 
-- 
2.39.5