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| author | Alex Shi <alex.shi@linaro.org> | 2017-05-31 12:02:46 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2017-05-31 12:02:46 +0800 |
| commit | dc06d1ba220ca16ebbca598bb45242ec5e818cb2 (patch) | |
| tree | ef66bd14901ec3a07cf65842a3b63884a64be529 /drivers/media/usb/usbvision/usbvision-video.c | |
| parent | 018ed21cf3b7cb618c63294793d63b23ce4afe24 (diff) | |
| parent | a898540914d4136f29bc738ce593c1c501006f23 (diff) | |
Merge branch 'linux-linaro-lsk-v4.1' into linux-linaro-lsk-v4.1-androidlsk-v4.1-17.06-androidlsk-v4.1-17.05-androidlinux-linaro-lsk-v4.1-android
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); |