linux-kernel - Re: [PATCH] xen/pciback: remove set but not used variable 'old

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Message-ID: <ca30737e-d047-e0db-7255-030e066bea29@oracle.com>
Date:   Wed, 24 Jul 2019 19:17:46 -0400
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     YueHaibing <yuehaibing@...wei.com>, jgross@...e.com,
        sstabellini@...nel.org
Cc:     linux-kernel@...r.kernel.org, xen-devel@...ts.xenproject.org
Subject: Re: [PATCH] xen/pciback: remove set but not used variable 'old_state'

On 7/24/19 10:08 AM, YueHaibing wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
>
> drivers/xen/xen-pciback/conf_space_capability.c: In function pm_ctrl_write:
> drivers/xen/xen-pciback/conf_space_capability.c:119:25: warning:
>  variable old_state set but not used [-Wunused-but-set-variable]
>
> It is never used so can be removed.
>
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>

Reviewed-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>