From d635711daa98be86d4c7fd01499c34f566b54ccb Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Fri, 10 Jun 2016 05:30:17 -0300
Subject: Linux-libre 4.6.2-gnu

---
 drivers/usb/atm/cxacru.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'drivers/usb/atm/cxacru.c')

diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c
index 0b78b4abe..44a8199b3 100644
--- a/drivers/usb/atm/cxacru.c
+++ b/drivers/usb/atm/cxacru.c
@@ -476,6 +476,8 @@ static ssize_t cxacru_sysfs_store_adsl_config(struct device *dev,
 			return -EINVAL;
 		if (index < 0 || index > 0x7f)
 			return -EINVAL;
+		if (tmp < 0 || tmp > len - pos)
+			return -EINVAL;
 		pos += tmp;
 
 		/* skip trailing newline */
-- 
cgit v1.2.3-54-g00ecf