diff options
| author | David S. Miller <davem@davemloft.net> | 2019-11-02 21:12:51 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-11-02 21:54:56 +0100 |
| commit | d31e95585ca697fb31440c6fe30113adc85ecfbd (patch) | |
| tree | 4936ea0aaa6b2aeeee4db51e3c60d938c9b9ed96 /drivers/hid/hid-lg2ff.c | |
| parent | tc-testing: added tests with cookie for conntrack TC action (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff) | |
| download | linux-d31e95585ca697fb31440c6fe30113adc85ecfbd.tar.xz linux-d31e95585ca697fb31440c6fe30113adc85ecfbd.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
The only slightly tricky merge conflict was the netdevsim because the
mutex locking fix overlapped a lot of driver reload reorganization.
The rest were (relatively) trivial in nature.
Signed-off-by: David S. Miller <davem@davemloft.net>
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) |