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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-11 08:39:38 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-11 08:39:38 +0300 |
| commit | 620b74d01b9d4393bef6742bf121908322c2fe0b (patch) | |
| tree | 507ab81bf701a1500b617526afa4232a0634a206 /drivers/hid/hid-betopff.c | |
| parent | c326d3ed52c8b47f0de329b3b213dc32409d3656 (diff) | |
| parent | 64570fbc14f8d7cb3fe3995f20e26bc25ce4b2cc (diff) | |
| download | linux-620b74d01b9d4393bef6742bf121908322c2fe0b.tar.xz | |
Merge 5.15-rc5 into usb-next
We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hid/hid-betopff.c')
| -rw-r--r-- | drivers/hid/hid-betopff.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/hid/hid-betopff.c b/drivers/hid/hid-betopff.c index 0790fbd3fc9a..467d789f9bc2 100644 --- a/drivers/hid/hid-betopff.c +++ b/drivers/hid/hid-betopff.c @@ -56,15 +56,22 @@ static int betopff_init(struct hid_device *hid) { struct betopff_device *betopff; struct hid_report *report; - struct hid_input *hidinput = - list_first_entry(&hid->inputs, struct hid_input, list); + struct hid_input *hidinput; struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct input_dev *dev = hidinput->input; + struct input_dev *dev; int field_count = 0; int error; int i, j; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + + hidinput = list_first_entry(&hid->inputs, struct hid_input, list); + dev = hidinput->input; + if (list_empty(report_list)) { hid_err(hid, "no output reports found\n"); return -ENODEV; |