openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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

Correct handling of VIDIOCGMBUF in video_ioctl2().

Signed-off-by: Sam Revitch <samr7@cs.washington.edu>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Sam Revitch 2007-05-01 08:46:30 -03:00 committed by Mauro Carvalho Chehab
parent 9df2ead585
commit 1088b13735
1 changed files with 18 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
drivers/media/video/videodev.c
View File

@ -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;