diff options
| author | Alex Shi <alex.shi@linaro.org> | 2017-05-31 12:02:43 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2017-05-31 12:02:43 +0800 |
| commit | a898540914d4136f29bc738ce593c1c501006f23 (patch) | |
| tree | 9440b7f76c029143611c89ed919718ba6ff353f4 /drivers/media/usb/usbvision/usbvision-video.c | |
| parent | d97f745e1d2fea4d2f308e5e06eee81a9a84f3f5 (diff) | |
| parent | 56d847e3ef9433d7ac92376e4ba49d3cf3cb70d2 (diff) | |
Merge tag 'v4.1.40' into linux-linaro-lsk-v4.1lsk-v4.1-17.06lsk-v4.1-17.05linux-linaro-lsk-v4.1
This is the 4.1.40 stable release
Diffstat (limited to 'drivers/media/usb/usbvision/usbvision-video.c')
| -rw-r--r-- | drivers/media/usb/usbvision/usbvision-video.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c index ef5815de2785..3b3becc5718d 100644 --- a/drivers/media/usb/usbvision/usbvision-video.c +++ b/drivers/media/usb/usbvision/usbvision-video.c @@ -1584,7 +1584,14 @@ static int usbvision_probe(struct usb_interface *intf, } for (i = 0; i < usbvision->num_alt; i++) { - u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[1].desc. + u16 tmp; + + if (uif->altsetting[i].desc.bNumEndpoints < 2) { + ret = -ENODEV; + goto err_pkt; + } + + tmp = le16_to_cpu(uif->altsetting[i].endpoint[1].desc. wMaxPacketSize); usbvision->alt_max_pkt_size[i] = (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); |