Added code to check return value of sscanf.
Signed-off-by: John de la Garza <[email protected]>
---
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 4a2aab1..2a11233 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);
--
1.7.10.4
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