Re: [PATCH for v3.16 00/14] v4l2-compat-ioctl32.c: remove set_fs(KERNEL_DS)

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On Wed, 2018-02-14 at 12:59 +0100, Hans Verkuil wrote:
> From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
> 
> This patch series fixes a number of bugs and culminates in the removal
> of the set_fs(KERNEL_DS) call in v4l2-compat-ioctl32.c.
> 
> This was tested with a VM running 3.16, the vivi driver (a poor substitute for
> the much improved vivid driver that's available in later kernels, but it's the
> best I had) since that emulates the more common V4L2 ioctls that need to pass
> through v4l2-compat-ioctl32.c) and the 32-bit v4l2-compliance + 32-bit v4l2-ctl
> utilities that together exercised the most common ioctls.
> 
> Most of the v4l2-compat-ioctl32.c do cleanups and fix subtle issues that
> v4l2-compliance complained about. The purpose is to 1) make it easy to
> verify that the final patch didn't introduce errors by first eliminating
> errors caused by other known bugs, and 2) keep the final patch at least
> somewhat readable.
> 
> While compiling the media drivers for 3.16 I also came across a bug
> introduced in the 3.16 stable series that caused a compile error in the
> adv7604 driver. That's fixed in the first patch. Call it a bonus patch :-)

Thanks, I've queued up all of these.  However, I rebased these on top
of some earlier fixes to v4l2-compat-ioctl32.c which you incorporated
into your backports.

Ben.

-- 
Ben Hutchings
If the facts do not conform to your theory, they must be disposed of.

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