[media] gspca_xirlink_cit: Frames have a 4 byte footer

At least on the ibm netcam pro frames have a 4 byte footer, take this
into account when calculating sizeimage.
Signed-off-by: NHans de Goede <hdegoede@redhat.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/gspca/xirlink_cit.c

@@ -185,60 +185,60 @@ static const struct ctrl sd_ctrls[] = {
 static const struct v4l2_pix_format cif_yuv_mode[] = {
 	{176, 144, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
 		.bytesperline = 176,
-		.sizeimage = 176 * 144 * 3 / 2,
+		.sizeimage = 176 * 144 * 3 / 2 + 4,
 		.colorspace = V4L2_COLORSPACE_SRGB},
 	{352, 288, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
 		.bytesperline = 352,
-		.sizeimage = 352 * 288 * 3 / 2,
+		.sizeimage = 352 * 288 * 3 / 2 + 4,
 		.colorspace = V4L2_COLORSPACE_SRGB},
 };
 
 static const struct v4l2_pix_format vga_yuv_mode[] = {
 	{160, 120, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
 		.bytesperline = 160,
-		.sizeimage = 160 * 120 * 3 / 2,
+		.sizeimage = 160 * 120 * 3 / 2 + 4,
 		.colorspace = V4L2_COLORSPACE_SRGB},
 	{320, 240, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
 		.bytesperline = 320,
-		.sizeimage = 320 * 240 * 3 / 2,
+		.sizeimage = 320 * 240 * 3 / 2 + 4,
 		.colorspace = V4L2_COLORSPACE_SRGB},
 	{640, 480, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
 		.bytesperline = 640,
-		.sizeimage = 640 * 480 * 3 / 2,
+		.sizeimage = 640 * 480 * 3 / 2 + 4,
 		.colorspace = V4L2_COLORSPACE_SRGB},
 };
 
 static const struct v4l2_pix_format model0_mode[] = {
 	{160, 120, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
 		.bytesperline = 160,
-		.sizeimage = 160 * 120 * 3 / 2,
+		.sizeimage = 160 * 120 * 3 / 2 + 4,
 		.colorspace = V4L2_COLORSPACE_SRGB},
 	{176, 144, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
 		.bytesperline = 176,
-		.sizeimage = 176 * 144 * 3 / 2,
+		.sizeimage = 176 * 144 * 3 / 2 + 4,
 		.colorspace = V4L2_COLORSPACE_SRGB},
 	{320, 240, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
 		.bytesperline = 320,
-		.sizeimage = 320 * 240 * 3 / 2,
+		.sizeimage = 320 * 240 * 3 / 2 + 4,
 		.colorspace = V4L2_COLORSPACE_SRGB},
 };
 
 static const struct v4l2_pix_format model2_mode[] = {
 	{160, 120, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
 		.bytesperline = 160,
-		.sizeimage = 160 * 120 * 3 / 2,
+		.sizeimage = 160 * 120 * 3 / 2 + 4,
 		.colorspace = V4L2_COLORSPACE_SRGB},
 	{176, 144, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
 		.bytesperline = 176,
-		.sizeimage = 176 * 144 * 3 / 2,
+		.sizeimage = 176 * 144 * 3 / 2 + 4,
 		.colorspace = V4L2_COLORSPACE_SRGB},
 	{320, 240, V4L2_PIX_FMT_SGRBG8, V4L2_FIELD_NONE,
 		.bytesperline = 320,
-		.sizeimage = 320 * 240,
+		.sizeimage = 320 * 240 + 4,
 		.colorspace = V4L2_COLORSPACE_SRGB},
 	{352, 288, V4L2_PIX_FMT_SGRBG8, V4L2_FIELD_NONE,
 		.bytesperline = 352,
-		.sizeimage = 352 * 288,
+		.sizeimage = 352 * 288 + 4,
 		.colorspace = V4L2_COLORSPACE_SRGB},
 };