samples/kobject: be explicit in the module license

[karo-tx-linux.git] / samples / kobject / kobject-example.c

diff --git a/samples/kobject/kobject-example.c b/samples/kobject/kobject-example.c
index 01562e0d499202a0005c61443f36bdf11a33160c..2e0740f06cd70d7e5837975ced3e2608a203afc1 100644 (file)
--- a/samples/kobject/kobject-example.c
+++ b/samples/kobject/kobject-example.c
@@ -36,7 +36,12 @@ static ssize_t foo_show(struct kobject *kobj, struct kobj_attribute *attr,
 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_show(struct kobject *kobj, struct kobj_attribute *attr,
 static ssize_t b_store(struct kobject *kobj, struct kobj_attribute *attr,
                       const char *buf, size_t count)
 {
-       int var;
+       int var, ret;
+
+       ret = kstrtoint(buf, 10, &var);
+       if (ret < 0)
+               return ret;
 
-       sscanf(buf, "%du", &var);
        if (strcmp(attr->attr.name, "baz") == 0)
                baz = var;
        else
@@ -134,5 +142,5 @@ static void __exit example_exit(void)
 
 module_init(example_init);
 module_exit(example_exit);
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Greg Kroah-Hartman <greg@kroah.com>");