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-rw-r--r--fs/btrfs/super.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 1a093ec0f7e3..f49e597e197f 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -954,6 +954,10 @@ static int btrfs_parse_subvol_options(const char *options, char **subvol_name,
*subvol_objectid = subvolid;
break;
+ case Opt_err:
+ btrfs_err(NULL, "unrecognized mount option '%s'", p);
+ error = -EINVAL;
+ goto out;
default:
break;
}