diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2019-11-21 10:01:51 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-11-21 12:03:40 +0100 |
| commit | 46f4f0aabc61bfd365e1eb3c8a6d766d1a49cf32 (patch) | |
| tree | f98a256ff3e4b20ca6252f7f80ce17759e57c6f2 /drivers/hid/hid-sony.c | |
| parent | Merge tag 'kvmarm-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmar... (diff) | |
| parent | KVM: vmx: use MSR_IA32_TSX_CTRL to hard-disable TSX on guest that lack it (diff) | |
| download | linux-46f4f0aabc61bfd365e1eb3c8a6d766d1a49cf32.tar.xz linux-46f4f0aabc61bfd365e1eb3c8a6d766d1a49cf32.zip | |
Merge branch 'kvm-tsx-ctrl' into HEAD
Conflicts:
arch/x86/kvm/vmx/vmx.c
Diffstat (limited to 'drivers/hid/hid-sony.c')
| -rw-r--r-- | drivers/hid/hid-sony.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index 73c0f7a95e2d..4c6ed6ef31f1 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -2254,9 +2254,15 @@ static int sony_play_effect(struct input_dev *dev, void *data, static int sony_init_ff(struct sony_sc *sc) { - struct hid_input *hidinput = list_entry(sc->hdev->inputs.next, - struct hid_input, list); - struct input_dev *input_dev = hidinput->input; + struct hid_input *hidinput; + struct input_dev *input_dev; + + if (list_empty(&sc->hdev->inputs)) { + hid_err(sc->hdev, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(sc->hdev->inputs.next, struct hid_input, list); + input_dev = hidinput->input; input_set_capability(input_dev, EV_FF, FF_RUMBLE); return input_ff_create_memless(input_dev, NULL, sony_play_effect); |