OSDN Git Service
(root)
/
uclinux-h8
/
linux.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
f46b5a6
)
BTRFS_IOC_TRANS_START should be privilegued
author
Christoph Hellwig
<hch@lst.de>
Thu, 12 Jun 2008 01:53:58 +0000
(21:53 -0400)
committer
Chris Mason
<chris.mason@oracle.com>
Thu, 25 Sep 2008 15:04:03 +0000
(11:04 -0400)
As mentioned in the comment next to it btrfs_ioctl_trans_start can
do bad damage to filesystems and thus should be limited to privilegued
users.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/ioctl.c
patch
|
blob
|
history
diff --git
a/fs/btrfs/ioctl.c
b/fs/btrfs/ioctl.c
index
da8de6c
..
6fb4558
100644
(file)
--- a/
fs/btrfs/ioctl.c
+++ b/
fs/btrfs/ioctl.c
@@
-706,6
+706,9
@@
long btrfs_ioctl_trans_start(struct file *file)
struct btrfs_trans_handle *trans;
int ret = 0;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
mutex_lock(&root->fs_info->fs_mutex);
if (file->private_data) {
ret = -EINPROGRESS;