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authorOtavio Salvador <otavio@ossystems.com.br>2020-05-20 08:43:03 -0300
committerGitHub <noreply@github.com>2020-05-20 08:43:03 -0300
commit1279cd128bba968ebe0a2df7f7ae38bae90250ef (patch)
treedf6b1a190760f51465122ca4c13492d5ac5984c6 /drivers/hid/hid-holtek-kbd.c
parent0a8ab17689e628c84a666195bfc6ab85d11cf057 (diff)
parent2ae782ca839e0ee07de37122ddea362adff2e975 (diff)
Merge pull request #76 from toradex/4.9-2.3.x-imx
4.9 2.3.x imx
Diffstat (limited to 'drivers/hid/hid-holtek-kbd.c')
-rw-r--r--drivers/hid/hid-holtek-kbd.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/hid/hid-holtek-kbd.c b/drivers/hid/hid-holtek-kbd.c
index 6e1a4a4fc0c1..ab9da597106f 100644
--- a/drivers/hid/hid-holtek-kbd.c
+++ b/drivers/hid/hid-holtek-kbd.c
@@ -126,9 +126,14 @@ static int holtek_kbd_input_event(struct input_dev *dev, unsigned int type,
/* Locate the boot interface, to receive the LED change events */
struct usb_interface *boot_interface = usb_ifnum_to_if(usb_dev, 0);
+ struct hid_device *boot_hid;
+ struct hid_input *boot_hid_input;
- struct hid_device *boot_hid = usb_get_intfdata(boot_interface);
- struct hid_input *boot_hid_input = list_first_entry(&boot_hid->inputs,
+ if (unlikely(boot_interface == NULL))
+ return -ENODEV;
+
+ boot_hid = usb_get_intfdata(boot_interface);
+ boot_hid_input = list_first_entry(&boot_hid->inputs,
struct hid_input, list);
return boot_hid_input->input->event(boot_hid_input->input, type, code,