linux-kernel - Re: [PATCH 3/7] Staging: rtl8192e: Avoid multiple assignments

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Date:   Wed, 29 Jun 2022 19:13:06 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Felix Schlepper <f3sch.git@...look.com>
Cc:     gregkh@...uxfoundation.org, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org, wjsota@...il.com
Subject: Re: [PATCH 3/7] Staging: rtl8192e: Avoid multiple assignments

On Tue, Jun 28, 2022 at 10:30:52AM +0200, Felix Schlepper wrote:
> This addresses an issue raised by checkpatch.pl:
> 
>      $ ./scripts/checkpatch.pl --terse -f drivers/staging/rtl8192e/rtllib_wx.c
>      CHECK: multiple assignments should be avoided
> 
> This patch does not change the logical of the assignments.
> 
> Signed-off-by: Felix Schlepper <f3sch.git@...look.com>
> ---
>  drivers/staging/rtl8192e/rtllib_wx.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/rtl8192e/rtllib_wx.c b/drivers/staging/rtl8192e/rtllib_wx.c
> index 7bd1e829ff7e..c8fc66113b41 100644
> --- a/drivers/staging/rtl8192e/rtllib_wx.c
> +++ b/drivers/staging/rtl8192e/rtllib_wx.c
> @@ -160,7 +160,8 @@ static inline char *rtl819x_translate_scan(struct rtllib_device *ieee,
>  			max_rate = rate;
>  	}
>  	iwe.cmd = SIOCGIWRATE;
> -	iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
> +	iwe.u.bitrate.disabled = 0;
> +	iwe.u.bitrate.fixed = iwe.u.bitrate.disabled;
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
This assignment makes no sense.  Why are we setting fixed = disabled?
If you're going to split it apart do:

	iwe.u.bitrate.disabled = 0;
	iwe.u.bitrate.fixed = 0;

regards,
dan carpenter