Commit c6aeb111 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
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V4L/DVB (4857): Cleans some ioctl structs before calling V4L2 counterpart 



Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 61cebe9d

drivers/media/video/v4l1-compat.c

+4 −1
Original line number Diff line number Diff line
@@ -714,6 +714,7 @@ v4l_compat_translate_ioctl(struct inode *inode, 
	case VIDIOCGFREQ: /*  get frequency  */

	{

		unsigned long *freq = arg;

		memset(&freq2,0,sizeof(freq2));



		freq2.tuner = 0;

		err = drv(inode, file, VIDIOC_G_FREQUENCY, &freq2);
@@ -726,8 +727,8 @@ v4l_compat_translate_ioctl(struct inode *inode, 
	case VIDIOCSFREQ: /*  set frequency  */

	{

		unsigned long *freq = arg;

		memset(&freq2,0,sizeof(freq2));



		freq2.tuner = 0;

		drv(inode, file, VIDIOC_G_FREQUENCY, &freq2);

		freq2.frequency = *freq;

		err = drv(inode, file, VIDIOC_S_FREQUENCY, &freq2);
@@ -738,6 +739,7 @@ v4l_compat_translate_ioctl(struct inode *inode, 
	case VIDIOCGAUDIO: /*  get audio properties/controls  */

	{

		struct video_audio	*aud = arg;

		memset(&aud2,0,sizeof(aud2));



		err = drv(inode, file, VIDIOC_G_AUDIO, &aud2);

		if (err < 0) {
@@ -898,6 +900,7 @@ v4l_compat_translate_ioctl(struct inode *inode, 
	{

		int			*i = arg;



		memset(&buf2,0,sizeof(buf2));

		buf2.index = *i;

		buf2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;

		err = drv(inode, file, VIDIOC_QUERYBUF, &buf2);