Commit 1088b137 authored by Sam Revitch's avatar Sam Revitch Committed by Mauro Carvalho Chehab
Browse files

V4L/DVB (5568): VIDIOCGMBUF handling in video_ioctl2() 



Correct handling of VIDIOCGMBUF in video_ioctl2().

Signed-off-by: default avatarSam Revitch <samr7@cs.washington.edu>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 9df2ead5

drivers/media/video/videodev.c

+18 −18
Original line number Diff line number Diff line
@@ -437,6 +437,24 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, 
		v4l_print_ioctl(vfd->name, cmd);

	}



#ifdef CONFIG_VIDEO_V4L1_COMPAT

	/* --- streaming capture ------------------------------------- */

	if (cmd == VIDIOCGMBUF) {

		struct video_mbuf *p=arg;



		memset(p,0,sizeof(p));



		if (!vfd->vidiocgmbuf)

			return ret;

		ret=vfd->vidiocgmbuf(file, fh, p);

		if (!ret)

			dbgarg (cmd, "size=%d, frames=%d, offsets=0x%08lx\n",

						p->size, p->frames,

						(unsigned long)p->offsets);

		return ret;

	}

#endif



	if (_IOC_TYPE(cmd)=='v')

		return v4l_compat_translate_ioctl(inode,file,cmd,arg,

						__video_do_ioctl);
@@ -791,24 +809,6 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, 
		ret=vfd->vidioc_overlay(file, fh, *i);

		break;

	}

#ifdef CONFIG_VIDEO_V4L1_COMPAT

	/* --- streaming capture ------------------------------------- */

	case VIDIOCGMBUF:

	{

		struct video_mbuf *p=arg;



		memset(p,0,sizeof(p));



		if (!vfd->vidiocgmbuf)

			break;

		ret=vfd->vidiocgmbuf(file, fh, p);

		if (!ret)

			dbgarg (cmd, "size=%d, frames=%d, offsets=0x%08lx\n",

						p->size, p->frames,

						(unsigned long)p->offsets);

		break;

	}

#endif

	case VIDIOC_G_FBUF:

	{

		struct v4l2_framebuffer *p=arg;