Re: [PATCH 1/2] V4L: videodev, allow VIDIOCGMBUF

From: Mauro Carvalho Chehab
Date: Tue May 08 2007 - 17:16:16 EST


Hi Jiri,

> if (_IOC_TYPE(cmd)=='v')
> - return v4l_compat_translate_ioctl(inode,file,cmd,arg,
> +#ifdef CONFIG_VIDEO_V4L1_COMPAT
> + if (cmd != VIDIOCGMBUF) /* <-- handled below vvv */
> +#endif
> + return v4l_compat_translate_ioctl(inode,file,cmd,arg,
> __video_do_ioctl);
>
I've committed two patches on my -git tree that will fix the issue
you're pointing.

In fact, all the above code should be handled only if V4L1_COMPAT is
enabled. The fixes are at the following patches:

http://git.kernel.org/?p=linux/kernel/git/mchehab/v4l-dvb.git;a=commitdiff;h=11fe647ca79d1e6381f954a7fe790a1157c803dc

http://git.kernel.org/?p=linux/kernel/git/mchehab/v4l-dvb.git;a=commitdiff;h=853fa89dd933b90f820d4bd46a71542bfb3d5967

Cheers,
Mauro

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