Commit 0393e735 authored Oct 17, 2017 by Laurent Pinchart Committed by Mauro Carvalho Chehab Dec 08, 2017

media: uvcvideo: Stream error events carry no data



According to the UVC specification, stream error events carry no data.
Fix a buffer overflow (that should be harmless given data alignment)
when reporting the stream error event by removing the data byte from the
message.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

parent dfc1648c

drivers/media/usb/uvc/uvc_status.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -93,8 +93,9 @@ static void uvc_event_streaming(struct uvc_device dev, __u8 data, int len)
		data[1], data[3] ? "pressed" : "released", len);
		uvc_input_report_key(dev, KEY_CAMERA, data[3]);
		} else {
		uvc_trace(UVC_TRACE_STATUS, "Stream %u error event %02x %02x "
		"len %d.\n", data[1], data[2], data[3], len);
		uvc_trace(UVC_TRACE_STATUS,
		"Stream %u error event %02x len %d.\n",
		data[1], data[2], len);
		}
		}

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