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Groups > linux.kernel > #1614358

Re: [PATCH] dm ioctl: Remove double parentheses

From Joe Perches <joe@perches.com>
Newsgroups linux.kernel
Subject Re: [PATCH] dm ioctl: Remove double parentheses
Date 2017-04-01 04:10 +0200
Message-ID <trgEh-4BY-3@gated-at.bofh.it> (permalink)
References <tlGL9-14c-41@gated-at.bofh.it> <trguC-4hQ-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Fri, 2017-03-31 at 18:50 -0700, Matthias Kaehlcke wrote:
> El Thu, Mar 16, 2017 at 09:48:30AM -0700 Matthias Kaehlcke ha dit:
> 
> > The extra pair of parantheses is not needed and causes clang to generate
> > the following warning:
> > 
> > drivers/md/dm-ioctl.c:1776:11: error: equality comparison with extraneous parentheses [-Werror,-Wparentheses-equality]
> >         if ((cmd == DM_DEV_CREATE_CMD)) {
> >              ~~~~^~~~~~~~~~~~~~~~~~~~
> > drivers/md/dm-ioctl.c:1776:11: note: remove extraneous parentheses around the comparison to silence this warning
> >         if ((cmd == DM_DEV_CREATE_CMD)) {
> >             ~    ^                   ~
> > drivers/md/dm-ioctl.c:1776:11: note: use '=' to turn this equality comparison into an assignment
> >         if ((cmd == DM_DEV_CREATE_CMD)) {

There are dozens of these comparisons in the kernel.
Are you fixing them all or just this one?

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Thread

Re: [PATCH] dm ioctl: Remove double parentheses Matthias Kaehlcke <mka@chromium.org> - 2017-04-01 04:00 +0200
  Re: [PATCH] dm ioctl: Remove double parentheses Joe Perches <joe@perches.com> - 2017-04-01 04:10 +0200
    Re: [PATCH] dm ioctl: Remove double parentheses Matthias Kaehlcke <mka@chromium.org> - 2017-04-03 19:00 +0200

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