linux/debian/patches/bugfix/scsi-SG_IO-data-direction.p...

43 lines
1.4 KiB
Diff

From git-commits-head-owner@vger.kernel.org Mon Nov 13 21:55:15 2006
Date: Mon, 13 Nov 2006 17:59:01 GMT
Message-Id: <200611131759.kADHx1kX004578@hera.kernel.org>
From: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
To: git-commits-head@vger.kernel.org
Subject: [PATCH] Fix bad data direction in SG_IO
commit 616e8a091a035c0bd9b871695f4af191df123caa
tree 9b9c97c6b55a9a097bafb453085375497b916fdc
parent bf2b3de2a8e66e5f554c2113fac688bcaaca77fb
author Jens Axboe <jens.axboe@oracle.com> 1163437499 +0100
committer Linus Torvalds <torvalds@g5.osdl.org> 1163440020 -0800
[PATCH] Fix bad data direction in SG_IO
Contrary to what the name misleads you to believe, SG_DXFER_TO_FROM_DEV
is really just a normal read seen from the device side.
This patch fixes http://lkml.org/lkml/2006/10/13/100
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
block/scsi_ioctl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 2dc3264..a19338e 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -246,10 +246,10 @@ static int sg_io(struct file *file, requ
switch (hdr->dxfer_direction) {
default:
return -EINVAL;
- case SG_DXFER_TO_FROM_DEV:
case SG_DXFER_TO_DEV:
writing = 1;
break;
+ case SG_DXFER_TO_FROM_DEV:
case SG_DXFER_FROM_DEV:
break;
}