diff options
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 40ae264fd3ed..7e44ccaf348f 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -2201,7 +2201,9 @@ static long btrfs_control_ioctl(struct file *file, unsigned int cmd, vol = memdup_user((void __user *)arg, sizeof(*vol)); if (IS_ERR(vol)) return PTR_ERR(vol); - vol->name[BTRFS_PATH_NAME_MAX] = '\0'; + ret = btrfs_check_ioctl_vol_args_path(vol); + if (ret < 0) + goto out; switch (cmd) { case BTRFS_IOC_SCAN_DEV: @@ -2243,6 +2245,7 @@ static long btrfs_control_ioctl(struct file *file, unsigned int cmd, break; } +out: kfree(vol); return ret; } |