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script: fix double free in lexer

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yylex_destroy() already frees scanner.

Found by: Coverity scan.
CID: 176636
This commit is contained in:
Andrei Borzenkov committed 2017-02-12 09:23:34 +03:00
1 parent 529818738f
commit 2fb8cd26a9
1 file changed
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grub-core/script/lexer.c
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@@ -251,7 +251,6 @@ grub_script_lexer_init (struct grub_parser_param *parser, char *script,
{ {
parser->lexerstate = 0; parser->lexerstate = 0;
yylex_destroy (lexerstate->yyscanner); yylex_destroy (lexerstate->yyscanner);
grub_free (lexerstate->yyscanner);
grub_free (lexerstate->text); grub_free (lexerstate->text);
grub_free (lexerstate); grub_free (lexerstate);
return 0; return 0;