From bf988c16a3d65c853bd3eb0ec4f15a88a76a3ccd Mon Sep 17 00:00:00 2001
From: John de la Garza <john@jjdev.com>
Date: Thu, 6 Mar 2014 15:51:59 -0800
Subject: [PATCH] usbip:usbip_common.c: check return value of sscanf
Added code to check return value of sscanf.
Signed-off-by: John de la Garza <john@jjdev.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/usbip/usbip_common.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/usbip/usbip_common.c b/drivers/staging/usbip/usbip_common.c
index 4a2aab16b10c..2a11233d44f8 100644
--- a/drivers/staging/usbip/usbip_common.c
+++ b/drivers/staging/usbip/usbip_common.c
@@ -55,7 +55,8 @@ static ssize_t usbip_debug_store(struct device *dev,
struct device_attribute *attr, const char *buf,
size_t count)
{
- sscanf(buf, "%lx", &usbip_debug_flag);
+ if (sscanf(buf, "%lx", &usbip_debug_flag) != 1)
+ return -EINVAL;
return count;
}
DEVICE_ATTR_RW(usbip_debug);
--
2.34.1