linux-kernel - Re: mips: irq.c:114:19: error: unused variable 'desc' [-Werror=unused-variable]

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Message-ID: <c65bccca4fa1345e18942ff66675296d@kernel.org>
Date:   Thu, 28 Oct 2021 14:50:40 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        linux-mips@...r.kernel.org,
        open list <linux-kernel@...r.kernel.org>,
        Mark Rutland <mark.rutland@....com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        lkft-triage@...ts.linaro.org
Subject: Re: mips: irq.c:114:19: error: unused variable 'desc'
 [-Werror=unused-variable]

On 2021-10-28 12:47, Naresh Kamboju wrote:
> Regression found on mips gcc-10 built with defconfig
> Following build warnings / errors reported on linux next 20211027.
> 
> The bisect tool pointing to the following commit
> The first bad commit:
> 
> commit 4cb6f4df976b288aa02bbb658d38e73d34d8231f
>   irq: mips: simplify do_domain_IRQ()
> 
> metadata:
>     git_describe: next-20211027
>     git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
>     git_short_log: ae5179317e79 (\"Add linux-next specific files for 
> 20211027\")
>     target_arch: mips
>     toolchain: gcc-10
> 
> build error :
> --------------
> <stdin>:1559:2: warning: #warning syscall futex_waitv not implemented 
> [-Wcpp]
> arch/mips/kernel/irq.c: In function 'do_domain_IRQ':
> arch/mips/kernel/irq.c:114:19: error: unused variable 'desc'
> [-Werror=unused-variable]
>   struct irq_desc *desc;
>                    ^~~~
> cc1: all warnings being treated as errors
> 
> Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

Already fixed as of 20211028095652.3503790-1-siyanteng@...ngson.cn

         M.
-- 
Jazz is not dead. It just smells funny...