mtab: Keep parent dirs open during fill_types()

1 files changed, 5 insertions, 0 deletions

diff --git a/src/eval.c b/src/eval.c
index 32b2e0e..d297af1 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -509,6 +509,11 @@ bool eval_fstype(const struct bfs_expr *expr, struct bfs_eval *state) {
 	}
 
 	const char *type = bfs_fstype(mtab, statbuf);
+	if (!type) {
+		eval_report_error(state);
+		return false;
+	}
+
 	return strcmp(type, expr->argv[1]) == 0;
 }