- Fix #55301 (pdo_odbc part) check if malloc succeded

git-svn-id: http://svn.php.net/repository/php/php-src/trunk@313828 c90b9560-bf6c-de11-be94-00142212c4b1

Author: pajoye

ext/pdo_odbc/pdo_odbc.c

@@ -98,6 +98,9 @@ PHP_MINIT_FUNCTION(pdo_odbc)
 		char *instance = INI_STR("pdo_odbc.db2_instance_name");
 		if (instance) {
 			char *env = malloc(sizeof("DB2INSTANCE=") + strlen(instance));
+			if (!env) {
+				return FAILURE;
+			}
 			strcpy(env, "DB2INSTANCE=");
 			strcat(env, instance);
 			putenv(env);