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author | Dave Airlie <airlied@redhat.com> | 2017-03-28 10:34:19 +0300 |
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committer | Dave Airlie <airlied@redhat.com> | 2017-03-28 10:34:19 +0300 |
commit | e5c1ff14757afe21733ddee9cc4bbaeaeadbf803 (patch) | |
tree | 0da1c9aaf772fac30fe68590a4ca1c3dd439cebd /drivers/input/misc/ims-pcu.c | |
parent | 65d1086c44791112188f6aebbdc3a27cab3736d3 (diff) | |
parent | c02ed2e75ef4c74e41e421acb4ef1494671585e8 (diff) | |
download | linux-e5c1ff14757afe21733ddee9cc4bbaeaeadbf803.tar.xz |
Backmerge tag 'v4.11-rc4' into drm-next
Linux 4.11-rc4
The i915 GVT team need the rc4 code to base some more code on.
Diffstat (limited to 'drivers/input/misc/ims-pcu.c')
-rw-r--r-- | drivers/input/misc/ims-pcu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c index 9c0ea36913b4..f4e8fbec6a94 100644 --- a/drivers/input/misc/ims-pcu.c +++ b/drivers/input/misc/ims-pcu.c @@ -1667,6 +1667,10 @@ static int ims_pcu_parse_cdc_data(struct usb_interface *intf, struct ims_pcu *pc return -EINVAL; alt = pcu->ctrl_intf->cur_altsetting; + + if (alt->desc.bNumEndpoints < 1) + return -ENODEV; + pcu->ep_ctrl = &alt->endpoint[0].desc; pcu->max_ctrl_size = usb_endpoint_maxp(pcu->ep_ctrl); |