If CEC is not enabled for the vivid driver, then the adap pointer is NULL and 'adap->phys_addr' will fail. Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> # for v4.12 and up --- diff --git a/drivers/media/platform/vivid/vivid-vid-common.c b/drivers/media/platform/vivid/vivid-vid-common.c index a651527d80db..23888fdb94fb 100644 --- a/drivers/media/platform/vivid/vivid-vid-common.c +++ b/drivers/media/platform/vivid/vivid-vid-common.c @@ -874,7 +874,8 @@ int vidioc_g_edid(struct file *file, void *_fh, return -EINVAL; if (edid->start_block + edid->blocks > dev->edid_blocks) edid->blocks = dev->edid_blocks - edid->start_block; - cec_set_edid_phys_addr(dev->edid, dev->edid_blocks * 128, adap->phys_addr); + if (adap) + cec_set_edid_phys_addr(dev->edid, dev->edid_blocks * 128, adap->phys_addr); memcpy(edid->edid, dev->edid + edid->start_block * 128, edid->blocks * 128); return 0; }