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author | Eric Sandeen <sandeen@redhat.com> | 2016-08-31 21:49:29 (GMT) |
---|---|---|
committer | David Sterba <dsterba@suse.com> | 2016-09-26 15:59:49 (GMT) |
commit | 07f6a480436595394a06a69d0ebc18fef6736197 (patch) | |
tree | f313ecd11c0756473231089700df3f5a01c55c54 | |
parent | c79a175175d5a908a7c4d923d44f36808f56536e (diff) | |
download | linux-07f6a480436595394a06a69d0ebc18fef6736197.tar.xz |
btrfs: fix perms on demonstration debugfs interface
btrfs provides a helpful demonstration of how to export
a global variable via debugfs; however, it is unique among
other debugfs files in that it is world-writable, which causes
some concern to people who are not familiar with its purpose.
Fix it so that it is only user-writable.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
-rw-r--r-- | fs/btrfs/sysfs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index c656990..804bd1c 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -836,7 +836,7 @@ static int btrfs_init_debugfs(void) if (!btrfs_debugfs_root_dentry) return -ENOMEM; - debugfs_create_u64("test", S_IRUGO | S_IWUGO, btrfs_debugfs_root_dentry, + debugfs_create_u64("test", S_IRUGO | S_IWUSR, btrfs_debugfs_root_dentry, &btrfs_debugfs_test); #endif return 0; |