netdev - Re: [PATCH v3 1/9] brcmfmac: pcie: Release firmwares in the brcmf_pcie

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Date:   Thu, 20 Jan 2022 09:22:42 +0100
From:   Arend van Spriel <arend.vanspriel@...adcom.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>,
        Hector Martin <marcan@...can.st>
Cc:     Kalle Valo <kvalo@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>,
        Arend van Spriel <aspriel@...il.com>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        Chi-hsien Lin <chi-hsien.lin@...ineon.com>,
        Wright Feng <wright.feng@...ineon.com>,
        Dmitry Osipenko <digetx@...il.com>,
        Sven Peter <sven@...npeter.dev>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>,
        Mark Kettenis <kettenis@...nbsd.org>,
        Rafał Miłecki <zajec5@...il.com>,
        Pieter-Paul Giesberts <pieter-paul.giesberts@...adcom.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Hans de Goede <hdegoede@...hat.com>,
        "John W. Linville" <linville@...driver.com>,
        "brian m. carlson" <sandals@...stytoothpaste.net>,
        "open list:TI WILINK WIRELES..." <linux-wireless@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        "open list:BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER" 
        <brcm80211-dev-list.pdl@...adcom.com>,
        SHA-cyfmac-dev-list@...ineon.com
Subject: Re: [PATCH v3 1/9] brcmfmac: pcie: Release firmwares in the
 brcmf_pcie_setup error path

On 1/19/2022 6:49 PM, Andy Shevchenko wrote:
> On Mon, Jan 17, 2022 at 4:30 PM Hector Martin <marcan@...can.st> wrote:
>>
>> This avoids leaking memory if brcmf_chip_get_raminfo fails. Note that
>> the CLM blob is released in the device remove path.
> 
> ...
> 
>>          if (ret) {
> 
>>                  brcmf_err(bus, "Failed to get RAM info\n");
>> +               release_firmware(fw);
>> +               brcmf_fw_nvram_free(nvram);
> 
> Can we first undo the things and only after print a message?

What would be your motivation? When reading logs I am used to seeing an 
error message followed by cleanup related messages. Following your 
suggestion you could see cleanup related messages, the error print as 
above, followed by more cleanup related messages. The cleanup routine 
would preferably be silent, but I tend to flip on extra debug message 
levels.

Regards,
Arend

>>                  goto fail;
>>          }
> 
> 

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