From 700ff4f095d78af0998953e922e041d75254518b Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 10 Jan 2013 03:57:25 -0500
Subject: Btrfs: fix access_ok() check in btrfs_ioctl_send()
The closing parenthesis is in the wrong place. We want to check
"sizeof(*arg->clone_sources) * arg->clone_sources_count" instead of
"sizeof(*arg->clone_sources * arg->clone_sources_count)".
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Jie Liu <jeff.liu@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
cc: stable@vger.kernel.org
---
fs/btrfs/send.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
(limited to 'fs/btrfs/send.c')
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 6837fe87f3a..945d1db98f2 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -4723,8 +4723,8 @@ long btrfs_ioctl_send(struct file *mnt_file, void __user *arg_)
}
if (!access_ok(VERIFY_READ, arg->clone_sources,
- sizeof(*arg->clone_sources *
- arg->clone_sources_count))) {
+ sizeof(*arg->clone_sources) *
+ arg->clone_sources_count)) {
ret = -EFAULT;
goto out;
}
--
cgit v1.2.3-70-g09d2