Subject: Re: [PATCH] brcm80211: no need to check return value of
 debugfs_create functions
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-kernel@vger.kernel.org
Cc:     Franky Lin <franky.lin@broadcom.com>,
        Hante Meuleman <hante.meuleman@broadcom.com>,
        Chi-Hsien Lin <chi-hsien.lin@cypress.com>,
        Wright Feng <wright.feng@cypress.com>,
        Kalle Valo <kvalo@codeaurora.org>,
        linux-wireless@vger.kernel.org,
        brcm80211-dev-list.pdl@broadcom.com, brcm80211-dev-list@cypress.com
References: <20190122152151.16139-32-gregkh@linuxfoundation.org>
From:   Arend Van Spriel <arend.vanspriel@broadcom.com>
Message-ID: <530d2424-d679-c81a-9d11-02b2d7631bea@broadcom.com>
Date:   Tue, 22 Jan 2019 21:07:48 +0100
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101
 Thunderbird/60.4.0
MIME-Version: 1.0
In-Reply-To: <20190122152151.16139-32-gregkh@linuxfoundation.org>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Sender: linux-wireless-owner@vger.kernel.org
Precedence: bulk

The prefix should be 'brcmsmac'.

On 1/22/2019 4:21 PM, Greg Kroah-Hartman wrote:
> When calling debugfs functions, there is no need to ever check the
> return value.  The function can work or not, but the code logic should
> never do something different based on this.

I could argue that if above is true it would be better to make the 
debugfs function return void, but I won't ;-p

In start_creating() the parent dentry is indeed checked for IS_ERR() so...

Acked-by: Arend van Spriel

> Cc: Arend van Spriel <arend.vanspriel@broadcom.com>
> Cc: Franky Lin <franky.lin@broadcom.com>
> Cc: Hante Meuleman <hante.meuleman@broadcom.com>
> Cc: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
> Cc: Wright Feng <wright.feng@cypress.com>
> Cc: Kalle Valo <kvalo@codeaurora.org>
> Cc: linux-wireless@vger.kernel.org
> Cc: brcm80211-dev-list.pdl@broadcom.com
> Cc: brcm80211-dev-list@cypress.com
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> ---
>   .../broadcom/brcm80211/brcmsmac/debug.c       | 26 +++----------------
>   .../broadcom/brcm80211/brcmsmac/debug.h       |  2 +-
>   2 files changed, 5 insertions(+), 23 deletions(-)