linux-kernel - [PATCH 3.13 011/198] ACPICA: utstring: Check array index bound before use.

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Message-Id: <1405459868-15089-12-git-send-email-kamal@canonical.com>
Date:	Tue, 15 Jul 2014 14:28:01 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	David Binderman <dcb314@...mail.com>,
	Bob Moore <robert.moore@...el.com>,
	Lv Zheng <lv.zheng@...el.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.13 011/198] ACPICA: utstring: Check array index bound before use.

3.13.11.5 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: David Binderman <dcb314@...mail.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@...mail.com>
Signed-off-by: Bob Moore <robert.moore@...el.com>
Signed-off-by: Lv Zheng <lv.zheng@...el.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 drivers/acpi/acpica/utstring.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/acpica/utstring.c b/drivers/acpi/acpica/utstring.c
index 45c0eb2..cd2047a 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 */
 
-- 
1.9.1

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