linux-kernel - [PATCH] Fix sg_io

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Date:	Sun, 28 Dec 2008 17:50:35 +0300
From:	Alexey Zaytsev <alexey.zaytsev@...il.com>
To:	Jens Axboe <jens.axboe@...cle.com>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] Fix sg_io_hdr.info corruption.

sizeof(unsigned (short)) is actually sizeof(function), == 1.
Spotted by sparse.

Signed-off-by: Alexey Zaytsev <alexey.zaytsev@...il.com>
---
 fs/compat_ioctl.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index 5235c67..7c2d617 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -784,7 +784,7 @@ static int sg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
 
 	if (copy_in_user(&sgio->status, &sgio32->status,
 			 (4 * sizeof(unsigned char)) +
-			 (2 * sizeof(unsigned (short))) +
+			 (2 * sizeof(unsigned short)) +
 			 (3 * sizeof(int))))
 		return -EFAULT;
 

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