linux-kernel - [PATCH v2] SCSI: fix bio.bi

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Message-Id: <1281616266-4709-2-git-send-email-jslaby@suse.cz>
Date:	Thu, 12 Aug 2010 14:31:05 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	akpm@...ux-foundation.org
Cc:	linux-raid@...r.kernel.org, linux-scsi@...r.kernel.org,
	jirislaby@...il.com, linux-kernel@...r.kernel.org,
	Jiri Slaby <jslaby@...e.cz>,
	"James E.J. Bottomley" <James.Bottomley@...e.de>,
	Christoph Hellwig <hch@....de>
Subject: [PATCH v2] SCSI: fix bio.bi_rw handling

Return of the bi_rw tests is no longer bool after commit 74450be1. So
testing against constants doesn't make sense anymore. Fix this bug in
osd_req_read by removing "== 1" in test.

This is not a problem now, where REQ_WRITE is 1, but this can change
in the future and we don't want to rely on that.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
Cc: "James E.J. Bottomley" <James.Bottomley@...e.de>
Cc: Christoph Hellwig <hch@....de>
---
 drivers/scsi/osd/osd_initiator.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c
index fda4de3..e88bbdd 100644
--- a/drivers/scsi/osd/osd_initiator.c
+++ b/drivers/scsi/osd/osd_initiator.c
@@ -865,7 +865,7 @@ void osd_req_read(struct osd_request *or,
 {
 	_osd_req_encode_common(or, OSD_ACT_READ, obj, offset, len);
 	WARN_ON(or->in.bio || or->in.total_bytes);
-	WARN_ON(1 == (bio->bi_rw & REQ_WRITE));
+	WARN_ON(bio->bi_rw & REQ_WRITE);
 	or->in.bio = bio;
 	or->in.total_bytes = len;
 }
-- 
1.7.2.1


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