Btrfs: Check CAP_DAC_READ_SEARCH for BTRFS_IOC_INO_PATHS

CAP_DAC_READ_SEARCH overrides read and search permission check on
file and directory. It seems fit for BTRFS_IOC_INO_PATHS.

Signed-off-by: Kusanagi Kouichi <slash@ac.auone-net.jp>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 744aabf11ce5660031985fa643772e7685f5ad92..1b554b47e8146a9b59f7605cebe477af4944c189 100644 (file)
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3290,7 +3290,7 @@ static long btrfs_ioctl_ino_to_path(struct btrfs_root *root, void __user *arg)
        struct inode_fs_paths *ipath = NULL;
        struct btrfs_path *path;
 
-       if (!capable(CAP_SYS_ADMIN))
+       if (!capable(CAP_DAC_READ_SEARCH))
                return -EPERM;
 
        path = btrfs_alloc_path();