maria-developers team mailing list archive

[Michael Widenius <monty@xxxxxxxxxxxx>]

#At lp:maria based on revid:knielsen@xxxxxxxxxxxxxxx-20100117084143-u10fexdnq5m0wga8

 2807 Michael Widenius	2010-01-17
      Fixed race condition when innobase_shutdown_for_mysql() was called before parser was initialized (as it's initialized on first usage)
      modified:
        storage/xtradb/pars/lexyy.c
        storage/xtradb/pars/pars0lex.l

=== modified file 'storage/xtradb/pars/lexyy.c'
--- a/storage/xtradb/pars/lexyy.c	2010-01-06 12:00:14 +0000
+++ b/storage/xtradb/pars/lexyy.c	2010-01-17 11:41:32 +0000
@@ -2786,8 +2786,10 @@ void
 pars_lexer_close(void)
 /*==================*/
 {
-	yylex_destroy();
-	free(stringbuf);
+        if (yy_buffer_stack)
+          yylex_destroy();
+        if (stringbuf)
+	  free(stringbuf);
 	stringbuf = NULL;
 	stringbuf_len_alloc = stringbuf_len = 0;
 }

=== modified file 'storage/xtradb/pars/pars0lex.l'
--- a/storage/xtradb/pars/pars0lex.l	2010-01-06 12:00:14 +0000
+++ b/storage/xtradb/pars/pars0lex.l	2010-01-17 11:41:32 +0000
@@ -669,8 +669,10 @@ void
 pars_lexer_close(void)
 /*==================*/
 {
-	yylex_destroy();
-	free(stringbuf);
+        if (yy_buffer_stack)
+  	  yylex_destroy();
+        if (stringbuf)
+  	  free(stringbuf);
 	stringbuf = NULL;
 	stringbuf_len_alloc = stringbuf_len = 0;
 }