From: David Binderman <dcb314@hotmail.com>
Date: Fri, 4 Apr 2014 04:36:55 +0000 (+0800)
Subject: ACPICA: utstring: Check array index bound before use.
X-Git-Tag: v3.15.3~73
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=624bc5368795c20f2de37f5d1a0e6cf8a52f1fe8;p=thirdparty%2Fkernel%2Fstable.git

ACPICA: utstring: Check array index bound before use.

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>
---

diff --git a/drivers/acpi/acpica/utstring.c b/drivers/acpi/acpica/utstring.c
index 77219336c7e01..6dc54b3c28b07 100644
--- a/drivers/acpi/acpica/utstring.c
+++ b/drivers/acpi/acpica/utstring.c
@@ -353,7 +353,7 @@ void acpi_ut_print_string(char *string, u16 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 */