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| author |   Jakub Kicinski <kuba@kernel.org> | 2021-12-09 12:04:19 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-12-09 13:23:02 -0800 |
| commit | 3150a73366b64e3109f0facbc98bcacbc14e81ba (patch) | |
| tree | 2b94b32c5fe97a4e76058a6f65e8c5717b53ee16 /drivers/hid/hid-prodikeys.c | |
| parent | skbuff: Extract list pointers to silence compiler warnings (diff) | |
| parent | Merge tag 'net-5.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff) | |
| download | linux-dev-3150a73366b64e3109f0facbc98bcacbc14e81ba.tar.xz linux-dev-3150a73366b64e3109f0facbc98bcacbc14e81ba.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/hid/hid-prodikeys.c')
| -rw-r--r-- | drivers/hid/hid-prodikeys.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/hid/hid-prodikeys.c b/drivers/hid/hid-prodikeys.c index 2666af02d5c1..e4e9471d0f1e 100644 --- a/drivers/hid/hid-prodikeys.c +++ b/drivers/hid/hid-prodikeys.c @@ -798,12 +798,18 @@ static int pk_raw_event(struct hid_device *hdev, struct hid_report *report, static int pk_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret; - struct usb_interface *intf = to_usb_interface(hdev->dev.parent); - unsigned short ifnum = intf->cur_altsetting->desc.bInterfaceNumber; + struct usb_interface *intf; + unsigned short ifnum; unsigned long quirks = id->driver_data; struct pk_device *pk; struct pcmidi_snd *pm = NULL; + if (!hid_is_usb(hdev)) + return -EINVAL; + + intf = to_usb_interface(hdev->dev.parent); + ifnum = intf->cur_altsetting->desc.bInterfaceNumber; + pk = kzalloc(sizeof(*pk), GFP_KERNEL); if (pk == NULL) { hid_err(hdev, "can't alloc descriptor\n"); |