linux-kernel - Re: [PATCH] m32r: fix build warning about putc

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Message-ID: <5772EC35.904@gmail.com>
Date:	Tue, 28 Jun 2016 22:29:25 +0100
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	kbuild test robot <lkp@...el.com>
CC:	kbuild-all@...org, Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] m32r: fix build warning about putc

On Monday 27 June 2016 04:48 AM, kbuild test robot wrote:
> Hi,
>
> [auto build test WARNING on v4.7-rc5]
> [also build test WARNING on next-20160624]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
>
> url:    https://github.com/0day-ci/linux/commits/Sudip-Mukherjee/m32r-fix-build-warning-about-putc/20160627-094312
> config: m32r-m32104ut_defconfig (attached as .config)
> compiler: m32r-linux-gcc (GCC) 4.9.0
> reproduce:
>          wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
>          chmod +x ~/bin/make.cross
>          # save the attached .config to linux build tree
>          make.cross ARCH=m32r
>
> All warnings (new ones prefixed by >>):
>
>     In file included from arch/m32r/boot/compressed/misc.c:25:0:
>     arch/m32r/boot/compressed/m32r_sio.c: In function 'puts':
>>> arch/m32r/boot/compressed/m32r_sio.c:16:2: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
>       while (c = *s++)
>       ^

This was fixed in v2 which was sent just after this patch was posted.


Regards
Sudip