From: Andreea-Cristina Bernat <bernat.ada@gmail.com>
Date: Mon, 10 Mar 2014 12:01:13 +0000 (+0200)
Subject: /drivers/staging/dgrp: Fixed warning unchecked sscanf return value
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=62368dad3dee31829fddf1c31d32fe515b8da7c2;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

/drivers/staging/dgrp: Fixed warning unchecked sscanf return value

This patch solves the warning: unchecked sscanf return value from the script
checkpatch.pl for the file dgrp_sysfs.c

Signed-off-by: Andreea-Cristina Bernat <bernat.ada@gmail.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
---

diff --git a/drivers/staging/dgrp/dgrp_sysfs.c b/drivers/staging/dgrp/dgrp_sysfs.c
index 9a18a2c9e73b..2f9345ff0abb 100644
--- a/drivers/staging/dgrp/dgrp_sysfs.c
+++ b/drivers/staging/dgrp/dgrp_sysfs.c
@@ -65,7 +65,9 @@ static ssize_t dgrp_class_pollrate_store(struct device *c,
 					 struct device_attribute *attr,
 					 const char *buf, size_t count)
 {
-	sscanf(buf, "0x%x\n", &dgrp_poll_tick);
+	if (sscanf(buf, "0x%x\n", &dgrp_poll_tick) != 1)
+		return -EINVAL;
+
 	return count;
 }
 static DEVICE_ATTR(pollrate, 0600, dgrp_class_pollrate_show,