1 files changed, 3 insertions, 42 deletions

diff --git a/drivers/media/video/meye.c b/drivers/media/video/meye.c
index b76e33d..2ad11f0 100644
--- a/drivers/media/video/meye.c
+++ b/drivers/media/video/meye.c
@@ -1017,7 +1017,6 @@ static int meyeioc_stilljcapt(int *len)
 static int vidioc_querycap(struct file *file, void *fh,
 				struct v4l2_capability *cap)
 {
-	memset(cap, 0, sizeof(*cap));
 	strcpy(cap->driver, "meye");
 	strcpy(cap->card, "meye");
 	sprintf(cap->bus_info, "PCI:%s", pci_name(meye.mchip_dev));
@@ -1036,8 +1035,6 @@ static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
 	if (i->index != 0)
 		return -EINVAL;
 
-	memset(i, 0, sizeof(*i));
-	i->index = 0;
 	strcpy(i->name, "Camera");
 	i->type = V4L2_INPUT_TYPE_CAMERA;
 
@@ -1259,22 +1256,13 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *fh,
 	if (f->index > 1)
 		return -EINVAL;
 
-	if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-
 	if (f->index == 0) {
 		/* standard YUV 422 capture */
-		memset(f, 0, sizeof(*f));
-		f->index = 0;
-		f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 		f->flags = 0;
 		strcpy(f->description, "YUV422");
 		f->pixelformat = V4L2_PIX_FMT_YUYV;
 	} else {
 		/* compressed MJPEG capture */
-		memset(f, 0, sizeof(*f));
-		f->index = 1;
-		f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 		f->flags = V4L2_FMT_FLAG_COMPRESSED;
 		strcpy(f->description, "MJPEG");
 		f->pixelformat = V4L2_PIX_FMT_MJPEG;
@@ -1286,9 +1274,6 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *fh,
 static int vidioc_try_fmt_vid_cap(struct file *file, void *fh,
 				struct v4l2_format *f)
 {
-	if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-
 	if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV &&
 	    f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG)
 		return -EINVAL;
@@ -1319,12 +1304,6 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *fh,
 static int vidioc_g_fmt_vid_cap(struct file *file, void *fh,
 				    struct v4l2_format *f)
 {
-	if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-
-	memset(&f->fmt.pix, 0, sizeof(struct v4l2_pix_format));
-	f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
 	switch (meye.mchip_mode) {
 	case MCHIP_HIC_MODE_CONT_OUT:
 	default:
@@ -1341,8 +1320,6 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *fh,
 	f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
 	f->fmt.pix.sizeimage = f->fmt.pix.height *
 			       f->fmt.pix.bytesperline;
-	f->fmt.pix.colorspace = 0;
-	f->fmt.pix.priv = 0;
 
 	return 0;
 }
@@ -1350,9 +1327,6 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *fh,
 static int vidioc_s_fmt_vid_cap(struct file *file, void *fh,
 				    struct v4l2_format *f)
 {
-	if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-
 	if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV &&
 	    f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG)
 		return -EINVAL;
@@ -1398,9 +1372,6 @@ static int vidioc_reqbufs(struct file *file, void *fh,
 {
 	int i;
 
-	if (req->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-
 	if (req->memory != V4L2_MEMORY_MMAP)
 		return -EINVAL;
 
@@ -1441,15 +1412,11 @@ static int vidioc_reqbufs(struct file *file, void *fh,
 
 static int vidioc_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf)
 {
-	int index = buf->index;
+	unsigned int index = buf->index;
 
-	if (index < 0 || index >= gbuffers)
+	if (index >= gbuffers)
 		return -EINVAL;
 
-	memset(buf, 0, sizeof(*buf));
-
-	buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	buf->index = index;
 	buf->bytesused = meye.grab_buffer[index].size;
 	buf->flags = V4L2_BUF_FLAG_MAPPED;
 
@@ -1471,13 +1438,10 @@ static int vidioc_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf)
 
 static int vidioc_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
 {
-	if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-
 	if (buf->memory != V4L2_MEMORY_MMAP)
 		return -EINVAL;
 
-	if (buf->index < 0 || buf->index >= gbuffers)
+	if (buf->index >= gbuffers)
 		return -EINVAL;
 
 	if (meye.grab_buffer[buf->index].state != MEYE_BUF_UNUSED)
@@ -1497,9 +1461,6 @@ static int vidioc_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
 {
 	int reqnr;
 
-	if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		return -EINVAL;
-
 	if (buf->memory != V4L2_MEMORY_MMAP)
 		return -EINVAL;