From: Ricardo Ribalda Date: Wed, 18 Dec 2024 21:39:08 +0000 (+0000) Subject: media: uvcvideo: Propagate buf->error to userspace X-Git-Tag: v6.14-rc1~8^2~30 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=87ce177654e388451850905a1d376658aebe8699;p=linux-block.git media: uvcvideo: Propagate buf->error to userspace Now we return VB2_BUF_STATE_DONE for valid and invalid frames. Propagate the correct value, so the user can know if the frame is valid or not via struct v4l2_buffer->flags. Reported-by: Hans de Goede Closes: https://lore.kernel.org/linux-media/84b0f212-cd88-46bb-8e6f-b94ec3eccba6@redhat.com Fixes: 6998b6fb4b1c ("[media] uvcvideo: Use videobuf2-vmalloc") Signed-off-by: Ricardo Ribalda Reviewed-by: Laurent Pinchart Reviewed-by: Hans de Goede Link: https://lore.kernel.org/r/20241218-uvc-deprecate-v2-1-ab814139e983@chromium.org Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c index 26ee85657fc8..f8464f0aae1b 100644 --- a/drivers/media/usb/uvc/uvc_queue.c +++ b/drivers/media/usb/uvc/uvc_queue.c @@ -479,7 +479,8 @@ static void uvc_queue_buffer_complete(struct kref *ref) buf->state = buf->error ? UVC_BUF_STATE_ERROR : UVC_BUF_STATE_DONE; vb2_set_plane_payload(&buf->buf.vb2_buf, 0, buf->bytesused); - vb2_buffer_done(&buf->buf.vb2_buf, VB2_BUF_STATE_DONE); + vb2_buffer_done(&buf->buf.vb2_buf, buf->error ? VB2_BUF_STATE_ERROR : + VB2_BUF_STATE_DONE); } /*