samples/kobject: Use kstrtoint instead of sscanf
Use kstrtoint function instead of sscanf and check for return values.
Signed-off-by: Rastislav Barlik <barlik@zoho.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/samples/kobject/kobject-example.c b/samples/kobject/kobject-example.c
index 01562e0..063aaec 100644
--- a/samples/kobject/kobject-example.c
+++ b/samples/kobject/kobject-example.c
@@ -36,7 +36,12 @@
static ssize_t foo_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t count)
{
- sscanf(buf, "%du", &foo);
+ int ret;
+
+ ret = kstrtoint(buf, 10, &foo);
+ if (ret < 0)
+ return ret;
+
return count;
}
@@ -63,9 +68,12 @@
static ssize_t b_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t count)
{
- int var;
+ int var, ret;
- sscanf(buf, "%du", &var);
+ ret = kstrtoint(buf, 10, &var);
+ if (ret < 0)
+ return ret;
+
if (strcmp(attr->attr.name, "baz") == 0)
baz = var;
else