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SubjectRe: [PATCH 1/2] selftests: firmware: remove use of non-standard diff -Z option
On Wed, Dec 5, 2018 at 2:43 PM Dan Rue <dan.rue@linaro.org> wrote:
>
> On Thu, Nov 29, 2018 at 06:37:32PM -0800, Luis Chamberlain wrote:
> > On Mon, Nov 26, 2018 at 09:12:15PM -0600, Dan Rue wrote:
> > > diff -Z is used to trim the trailing whitespace when comparing the
> > > loaded firmware file with the source firmware file. However, per the
> > > comment in the source code, -Z should not be necessary. In testing, the
> > > input and output files are identical.
> > >
> > > Additionally, -Z is not a standard option and is not available in
> > > environments such as busybox. When -Z is not supported, diff fails with
> > > a usage error, which is suppressed, but then causes read_firmwares() to
> > > exit with a false failure message.
> >
> > NACK -- this breaks testing on debian:
> >
> > Testing with the file present...
> > Batched request_firmware() try #1: Files
> > /tmp/tmp.8GWkoSo5jZ/test-firmware.bin and
> > /sys/devices/virtual/misc/test_firmware/read_firmware differ
> > request #0: firmware was not loaded
> >
> > Please add a quirks check, enable it by default, and remove it for
> > Busybox.
>
> Thanks for the review. Shuah, can you please drop this one?

So much for review. This patch was still merged. I'll have to request
this to be reverted now too.

Luis

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