[PATCH 3.10 43/77] ACPICA: utstring: Check array index bound before use.

Greg Kroah-Hartman
2014-06-28T19:05:02Z

From: David Binderman <dcb314@hotmail.com>

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 | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/acpi/acpica/utstring.c
+++ b/drivers/acpi/acpica/utstring.c
@@ -349,7 +349,7 @@ void acpi_ut_print_string(char *string,
}

acpi_os_printf("\"");
- for (i = 0; string[i] && (i < max_length); i++) {
+ for (i = 0; (i < max_length) && string[i]; i++) {

/* Escape sequences */