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

diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.c b/drivers/media/dvb-frontends/rtl2832_sdr.c
index ef6feb299d46..1a2f0d2adadf 100644
--- a/drivers/media/dvb-frontends/rtl2832_sdr.c
+++ b/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;
diff --git a/drivers/media/test-drivers/vivid/vivid-sdr-cap.c b/drivers/media/test-drivers/vivid/vivid-sdr-cap.c
index a1e52708b7ca..265db2114671 100644
--- a/drivers/media/test-drivers/vivid/vivid-sdr-cap.c
+++ b/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;
diff --git a/drivers/media/usb/airspy/airspy.c b/drivers/media/usb/airspy/airspy.c
index 751703db06f5..7a81be7970b2 100644
--- a/drivers/media/usb/airspy/airspy.c
+++ b/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;
diff --git a/drivers/media/usb/hackrf/hackrf.c b/drivers/media/usb/hackrf/hackrf.c
index cec841ad7495..3e535be2c520 100644
--- a/drivers/media/usb/hackrf/hackrf.c
+++ b/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;
diff --git a/drivers/media/usb/msi2500/msi2500.c b/drivers/media/usb/msi2500/msi2500.c
index 63882a5248ae..71de6b4c4e4c 100644
--- a/drivers/media/usb/msi2500/msi2500.c
+++ b/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;