media: rtl2832_sdr/vivid/airspy/hackrf/msi2500: drop memset of fmt.sdr.reserved

The V4L2 core already zeroes fmt.sdr.reserved, so there is no need for
drivers to do the same.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/dvb-frontends/rtl2832_sdr.c

@@ -1130,8 +1130,6 @@ static int rtl2832_sdr_g_fmt_sdr_cap(struct file *file, void *priv,
 	f->fmt.sdr.pixelformat = dev->pixelformat;
 	f->fmt.sdr.buffersize = dev->buffersize;
 
-	memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
-
 	return 0;
 }
 
@@ -1149,7 +1147,6 @@ static int rtl2832_sdr_s_fmt_sdr_cap(struct file *file, void *priv,
 	if (vb2_is_busy(q))
 		return -EBUSY;
 
-	memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
 	for (i = 0; i < dev->num_formats; i++) {
 		if (formats[i].pixelformat == f->fmt.sdr.pixelformat) {
 			dev->pixelformat = formats[i].pixelformat;
@@ -1177,7 +1174,6 @@ static int rtl2832_sdr_try_fmt_sdr_cap(struct file *file, void *priv,
 	dev_dbg(&pdev->dev, "pixelformat fourcc %4.4s\n",
 		(char *)&f->fmt.sdr.pixelformat);
 
-	memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
 	for (i = 0; i < dev->num_formats; i++) {
 		if (formats[i].pixelformat == f->fmt.sdr.pixelformat) {
 			f->fmt.sdr.buffersize = formats[i].buffersize;

drivers/media/test-drivers/vivid/vivid-sdr-cap.c

@@ -455,7 +455,6 @@ int vidioc_g_fmt_sdr_cap(struct file *file, void *fh, struct v4l2_format *f)
 
 	f->fmt.sdr.pixelformat = dev->sdr_pixelformat;
 	f->fmt.sdr.buffersize = dev->sdr_buffersize;
-	memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
 	return 0;
 }
 
@@ -468,7 +467,6 @@ int vidioc_s_fmt_sdr_cap(struct file *file, void *fh, struct v4l2_format *f)
 	if (vb2_is_busy(q))
 		return -EBUSY;
 
-	memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
 	for (i = 0; i < ARRAY_SIZE(formats); i++) {
 		if (formats[i].pixelformat == f->fmt.sdr.pixelformat) {
 			dev->sdr_pixelformat = formats[i].pixelformat;
@@ -488,7 +486,6 @@ int vidioc_try_fmt_sdr_cap(struct file *file, void *fh, struct v4l2_format *f)
 {
 	int i;
 
-	memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
 	for (i = 0; i < ARRAY_SIZE(formats); i++) {
 		if (formats[i].pixelformat == f->fmt.sdr.pixelformat) {
 			f->fmt.sdr.buffersize = formats[i].buffersize;

drivers/media/usb/airspy/airspy.c

@@ -632,7 +632,6 @@ static int airspy_g_fmt_sdr_cap(struct file *file, void *priv,
 
 	f->fmt.sdr.pixelformat = s->pixelformat;
 	f->fmt.sdr.buffersize = s->buffersize;
-	memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
 
 	return 0;
 }
@@ -647,7 +646,6 @@ static int airspy_s_fmt_sdr_cap(struct file *file, void *priv,
 	if (vb2_is_busy(q))
 		return -EBUSY;
 
-	memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
 	for (i = 0; i < NUM_FORMATS; i++) {
 		if (formats[i].pixelformat == f->fmt.sdr.pixelformat) {
 			s->pixelformat = formats[i].pixelformat;
@@ -670,7 +668,6 @@ static int airspy_try_fmt_sdr_cap(struct file *file, void *priv,
 {
 	int i;
 
-	memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
 	for (i = 0; i < NUM_FORMATS; i++) {
 		if (formats[i].pixelformat == f->fmt.sdr.pixelformat) {
 			f->fmt.sdr.buffersize = formats[i].buffersize;

drivers/media/usb/hackrf/hackrf.c

@@ -929,7 +929,6 @@ static int hackrf_s_fmt_sdr(struct file *file, void *priv,
 	if (vb2_is_busy(q))
 		return -EBUSY;
 
-	memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
 	for (i = 0; i < NUM_FORMATS; i++) {
 		if (f->fmt.sdr.pixelformat == formats[i].pixelformat) {
 			dev->pixelformat = formats[i].pixelformat;
@@ -955,7 +954,6 @@ static int hackrf_g_fmt_sdr(struct file *file, void *priv,
 	dev_dbg(dev->dev, "pixelformat fourcc %4.4s\n",
 			(char *)&dev->pixelformat);
 
-	memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
 	f->fmt.sdr.pixelformat = dev->pixelformat;
 	f->fmt.sdr.buffersize = dev->buffersize;
 
@@ -971,7 +969,6 @@ static int hackrf_try_fmt_sdr(struct file *file, void *priv,
 	dev_dbg(dev->dev, "pixelformat fourcc %4.4s\n",
 			(char *)&f->fmt.sdr.pixelformat);
 
-	memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
 	for (i = 0; i < NUM_FORMATS; i++) {
 		if (formats[i].pixelformat == f->fmt.sdr.pixelformat) {
 			f->fmt.sdr.buffersize = formats[i].buffersize;

drivers/media/usb/msi2500/msi2500.c

@@ -912,7 +912,6 @@ static int msi2500_g_fmt_sdr_cap(struct file *file, void *priv,
 
 	f->fmt.sdr.pixelformat = dev->pixelformat;
 	f->fmt.sdr.buffersize = dev->buffersize;
-	memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
 
 	return 0;
 }
@@ -930,7 +929,6 @@ static int msi2500_s_fmt_sdr_cap(struct file *file, void *priv,
 	if (vb2_is_busy(q))
 		return -EBUSY;
 
-	memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
 	for (i = 0; i < dev->num_formats; i++) {
 		if (formats[i].pixelformat == f->fmt.sdr.pixelformat) {
 			dev->pixelformat = formats[i].pixelformat;
@@ -957,7 +955,6 @@ static int msi2500_try_fmt_sdr_cap(struct file *file, void *priv,
 	dev_dbg(dev->dev, "pixelformat fourcc %4.4s\n",
 		(char *)&f->fmt.sdr.pixelformat);
 
-	memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
 	for (i = 0; i < dev->num_formats; i++) {
 		if (formats[i].pixelformat == f->fmt.sdr.pixelformat) {
 			f->fmt.sdr.buffersize = formats[i].buffersize;