提交 fd3e9217 编写于 作者: L Laurent Pinchart 提交者: Mauro Carvalho Chehab

V4L/DVB (13504): uvcvideo: Fix extension units parsing

The bNrInPins field is an 8 bit integer, not a 16 bit integer.
Signed-off-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
上级 6241d8ca
......@@ -844,7 +844,7 @@ static int uvc_parse_vendor_control(struct uvc_device *dev,
unit->type = UVC_VC_EXTENSION_UNIT;
memcpy(unit->extension.guidExtensionCode, &buffer[4], 16);
unit->extension.bNumControls = buffer[20];
unit->extension.bNrInPins = get_unaligned_le16(&buffer[21]);
unit->extension.bNrInPins = buffer[21];
unit->extension.baSourceID = (__u8 *)unit + sizeof *unit;
memcpy(unit->extension.baSourceID, &buffer[22], p);
unit->extension.bControlSize = buffer[22+p];
......@@ -1108,7 +1108,7 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
unit->type = buffer[2];
memcpy(unit->extension.guidExtensionCode, &buffer[4], 16);
unit->extension.bNumControls = buffer[20];
unit->extension.bNrInPins = get_unaligned_le16(&buffer[21]);
unit->extension.bNrInPins = buffer[21];
unit->extension.baSourceID = (__u8 *)unit + sizeof *unit;
memcpy(unit->extension.baSourceID, &buffer[22], p);
unit->extension.bControlSize = buffer[22+p];
......
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