Commit 616e8a09 authored Nov 13, 2006 by Jens Axboe Committed by Linus Torvalds Nov 13, 2006

[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>

parent bf2b3de2

block/scsi_ioctl.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -246,10 +246,10 @@ static int sg_io(struct file file, request_queue_t q,
		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;
		}