HID: core: use scnprintf in modalias_show()
scnprintf() exists to provide these semantics, so we might as well use
it.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index d5ddb75..3c1cfc6 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -2217,12 +2217,9 @@
char *buf)
{
struct hid_device *hdev = container_of(dev, struct hid_device, dev);
- int len;
- len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
- hdev->bus, hdev->group, hdev->vendor, hdev->product);
-
- return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
+ return scnprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
+ hdev->bus, hdev->group, hdev->vendor, hdev->product);
}
static DEVICE_ATTR_RO(modalias);