From: Horst Hummel <horst.hummel@de.ibm.com>
Date: Wed, 9 Aug 2006 08:30:22 +0000 (+0200)
Subject: [S390] dasd set offline kernel bug.
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ebc4599990898ecaaace7ed40dfad6d8d9f2a24a;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[S390] dasd set offline kernel bug.

The request queue flush function of the dasd driver has to dequeue
the requests first and then call the end request function. Otherwise
a kernel bug in ll_rw_block.c might get triggered.

Signed-off-by: Horst Hummel <horst.hummel@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 4bf03fb67f8d..d8e9b95f0a1a 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -1730,8 +1730,8 @@ dasd_flush_request_queue(struct dasd_device * device)
 		req = elv_next_request(device->request_queue);
 		if (req == NULL)
 			break;
-		dasd_end_request(req, 0);
 		blkdev_dequeue_request(req);
+		dasd_end_request(req, 0);
 	}
 	spin_unlock_irq(&device->request_queue_lock);
 }