From: Jens Axboe <jens.axboe@oracle.com>
Date: Thu, 31 Jan 2008 12:57:51 +0000 (+0100)
Subject: ide-cd: fix leftover data BUG
X-Git-Tag: v2.6.25-rc1~1085^2~2
X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=4f4f6c2502474f51654a699d7127d86c2f87075a;p=linux-2.6-omap-h63xx.git

ide-cd: fix leftover data BUG

It's perfectly legal to have data leftovers when a drive signals
completion, it happens all the time when a user issues a command
with a transfer count that is too large.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 74c6087ada3..bee05a3f52a 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1722,7 +1722,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
 	 */
 	if ((stat & DRQ_STAT) == 0) {
 		spin_lock_irqsave(&ide_lock, flags);
-		if (__blk_end_request(rq, 0, 0))
+		if (__blk_end_request(rq, 0, rq->data_len))
 			BUG();
 		HWGROUP(drive)->rq = NULL;
 		spin_unlock_irqrestore(&ide_lock, flags);