diff options
| author |   Dave Airlie <airlied@redhat.com> | 2019-11-14 05:53:10 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2019-11-14 05:53:10 +1000 |
| commit | 77e0723bd27f830d0903225372aa778fe2975648 (patch) | |
| tree | 4c035783e014b3a0ac9174390f88dc75150533e4 /drivers/hid/hid-lg2ff.c | |
| parent | Merge tag 'drm-misc-next-fixes-2019-11-06' of git://anongit.freedesktop.org/drm/drm-misc into drm-next (diff) | |
| parent | Linux 5.4-rc7 (diff) | |
| download | linux-dev-77e0723bd27f830d0903225372aa778fe2975648.tar.xz linux-dev-77e0723bd27f830d0903225372aa778fe2975648.zip | |
Merge v5.4-rc7 into drm-next
We have the i915 security fixes to backmerge, but first
let's clear the decks for other drivers to avoid a bigger
mess.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/hid/hid-lg2ff.c')
| -rw-r--r-- | drivers/hid/hid-lg2ff.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/hid/hid-lg2ff.c b/drivers/hid/hid-lg2ff.c index dd1a6c3a7de6..73d07e35f12a 100644 --- a/drivers/hid/hid-lg2ff.c +++ b/drivers/hid/hid-lg2ff.c @@ -50,11 +50,17 @@ int lg2ff_init(struct hid_device *hid) { struct lg2ff_device *lg2ff; struct hid_report *report; - struct hid_input *hidinput = list_entry(hid->inputs.next, - struct hid_input, list); - struct input_dev *dev = hidinput->input; + struct hid_input *hidinput; + struct input_dev *dev; int error; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hid->inputs.next, struct hid_input, list); + dev = hidinput->input; + /* Check that the report looks ok */ report = hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7); if (!report) |