Btrfs: no slashes in subvolume names

Signed-off-by: Chris Mason <chris.mason@oracle.com>
git-mirror · Jun 12, 2007 · 8a71264 · 8a71264
1 parent 5af3981
commit 8a71264
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
@@ -1831,6 +1831,8 @@ int btrfs_ioctl(struct inode *inode, struct file *filp, unsigned int
 		namelen = strlen(vol_args.name);
 		if (namelen > BTRFS_VOL_NAME_MAX)
 			return -EINVAL;
+		if (strchr(vol_args.name, '/'))
+			return -EINVAL;
 		path = btrfs_alloc_path();
 		if (!path)
 			return -ENOMEM;