linux-kernel - Re: [PATCH] pwm: img: Turn final 'else if' into 'else' in img_pwm

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Message-ID: <20190320113005.GB23838@ulmo>
Date:   Wed, 20 Mar 2019 12:30:05 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Nathan Chancellor <natechancellor@...il.com>
Cc:     linux-pwm@...r.kernel.org, linux-kernel@...r.kernel.org,
        clang-built-linux@...glegroups.com,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: Re: [PATCH] pwm: img: Turn final 'else if' into 'else' in
 img_pwm_config

On Thu, Mar 07, 2019 at 03:36:28PM -0700, Nathan Chancellor wrote:
> When building with -Wsometimes-uninitialized, Clang warns:
> 
> drivers/pwm/pwm-img.c:126:13: error: variable 'timebase' is used
> uninitialized whenever 'if' condition is false
> [-Werror,-Wsometimes-uninitialized]
> 
> The final else if functions as an else; make that explicit so that Clang
> understands that timebase cannot be used uninitialized.
> 
> Link: https://github.com/ClangBuiltLinux/linux/issues/400
> Signed-off-by: Nathan Chancellor <natechancellor@...il.com>
> ---
>  drivers/pwm/pwm-img.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks!

Thierry

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