linux-kernel - Re: [PATCH] net: wireless: ath: ath10k: remove unnecessary code

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Message-ID: <76408651-07c6-fe31-863f-e1cb73b49663@broadcom.com>
Date:   Tue, 9 May 2017 14:07:57 +0200
From:   Arend Van Spriel <arend.vanspriel@...adcom.com>
To:     Kalle Valo <kvalo@....qualcomm.com>,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "ath10k@...ts.infradead.org" <ath10k@...ts.infradead.org>
Subject: Re: [PATCH] net: wireless: ath: ath10k: remove unnecessary code

On 9-5-2017 7:33, Kalle Valo wrote:
> "Gustavo A. R. Silva" <garsilva@...eddedor.com> writes:
> 
>> The name of an array used by itself will always return the array's address.
>> So these tests will always evaluate as false and therefore the _return_
>> will never be executed.
>>
>> Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
> 
> I don't understand the commit log, especially what does "The name of an
> array used by itself" mean?

The array fields in struct wmi_start_scan_arg that are checked here are
fixed size arrays so they can never be NULL.

Maybe that helps rephrasing this commit message.

Regards,
Arend