ACPICA: utstring: Check array index bound before use.
authorDavid Binderman <dcb314@hotmail.com>
Fri, 4 Apr 2014 04:36:55 +0000 (12:36 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 1 Jul 2014 03:09:44 +0000 (20:09 -0700)
commit 5d42b0fa25df7ef2f575107597c1aaebe2407d10 upstream.

ACPICA BZ 1077. David Binderman.

References: https://bugs.acpica.org/show_bug.cgi?id=1077
Signed-off-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/acpi/acpica/utstring.c

index b3e36a81aa4d1360b9280d2edd6d9d5f9e7330dd..ca6d2acafa66f4be9801c78a872e6626e664a06b 100644 (file)
@@ -349,7 +349,7 @@ void acpi_ut_print_string(char *string, u8 max_length)
        }
 
        acpi_os_printf("\"");
-       for (i = 0; string[i] && (i < max_length); i++) {
+       for (i = 0; (i < max_length) && string[i]; i++) {
 
                /* Escape sequences */