Fix segfault when deleting tree-sitter query (bug#72238)

* src/treesit.c (treesit_delete_query): Only delete query and cursor
when they are non-NULL.

(cherry picked from commit 4868a17396b6796b77285a3608b383aac32aee4f)

diff --git a/src/treesit.c b/src/treesit.c
index 5ed15bca78804f19ca119ec8522f6191e5f0fb94..a420ef77b2d3fec61e56277aa28b4571a92298cc 100644 (file)
--- a/src/treesit.c
+++ b/src/treesit.c
@@ -1224,8 +1224,10 @@ treesit_delete_parser (struct Lisp_TS_Parser *lisp_parser)
 void
 treesit_delete_query (struct Lisp_TS_Query *lisp_query)
 {
-  ts_query_delete (lisp_query->query);
-  ts_query_cursor_delete (lisp_query->cursor);
+  if (lisp_query->query)
+    ts_query_delete (lisp_query->query);
+  if (lisp_query->cursor)
+    ts_query_cursor_delete (lisp_query->cursor);
 }
 
 /* The following function is called from print.c:print_vectorlike.  */