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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2013-01-10 03:57:25 -0500 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2013-12-12 07:13:02 -0800 |
| commit | 700ff4f095d78af0998953e922e041d75254518b (patch) | |
| tree | 62a52b7a6f5f2eaa91809a0cc5abeac44c4c3f4e /fs | |
| parent | 467bb1d27c0b783b73e6349304c0d90b5b4f431b (diff) | |
| download | kernel-common-700ff4f095d78af0998953e922e041d75254518b.tar.gz kernel-common-700ff4f095d78af0998953e922e041d75254518b.tar.bz2 kernel-common-700ff4f095d78af0998953e922e041d75254518b.zip | |
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
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/send.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 6837fe87f3a6..945d1db98f26 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; } |