script: fix double free in lexer

yylex_destroy() already frees scanner.

Found by: Coverity scan.
CID: 176636

diff --git a/grub-core/script/lexer.c b/grub-core/script/lexer.c
index 89cf677..c6bd317 100644 (file)
--- a/grub-core/script/lexer.c
+++ b/grub-core/script/lexer.c
@@ -251,7 +251,6 @@ grub_script_lexer_init (struct grub_parser_param *parser, char *script,
     {
       parser->lexerstate = 0;
       yylex_destroy (lexerstate->yyscanner);
-      grub_free (lexerstate->yyscanner);
       grub_free (lexerstate->text);
       grub_free (lexerstate);
       return 0;