summaryrefslogtreecommitdiff
path: root/drivers/hid/hid-holtek-kbd.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/hid/hid-holtek-kbd.c')
-rw-r--r--drivers/hid/hid-holtek-kbd.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/hid/hid-holtek-kbd.c b/drivers/hid/hid-holtek-kbd.c
index 403506b9697e..d13543517a6c 100644
--- a/drivers/hid/hid-holtek-kbd.c
+++ b/drivers/hid/hid-holtek-kbd.c
@@ -27,7 +27,7 @@
* to the boot interface.
*/
-static __u8 holtek_kbd_rdesc_fixed[] = {
+static const __u8 holtek_kbd_rdesc_fixed[] = {
/* Original report descriptor, with reduced number of consumer usages */
0x05, 0x01, /* Usage Page (Desktop), */
0x09, 0x80, /* Usage (Sys Control), */
@@ -102,14 +102,14 @@ static __u8 holtek_kbd_rdesc_fixed[] = {
0xC0, /* End Collection */
};
-static __u8 *holtek_kbd_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+static const __u8 *holtek_kbd_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
- rdesc = holtek_kbd_rdesc_fixed;
*rsize = sizeof(holtek_kbd_rdesc_fixed);
+ return holtek_kbd_rdesc_fixed;
}
return rdesc;
}
@@ -130,6 +130,10 @@ static int holtek_kbd_input_event(struct input_dev *dev, unsigned int type,
return -ENODEV;
boot_hid = usb_get_intfdata(boot_interface);
+ if (list_empty(&boot_hid->inputs)) {
+ hid_err(hid, "no inputs found\n");
+ return -ENODEV;
+ }
boot_hid_input = list_first_entry(&boot_hid->inputs,
struct hid_input, list);
@@ -176,4 +180,5 @@ static struct hid_driver holtek_kbd_driver = {
};
module_hid_driver(holtek_kbd_driver);
+MODULE_DESCRIPTION("HID driver for Holtek keyboard");
MODULE_LICENSE("GPL");