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

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Message-ID: <9a222199-6620-15b7-395f-e079b8e6e529@gmail.com>
Date:   Thu, 20 Jan 2022 00:22:43 +0300
From:   Dmitry Osipenko <digetx@...il.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>,
        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

19.01.2022 20:49, Andy Shevchenko пишет:
> 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?

Having message first usually is more preferred because at minimum you'll
get the message if "undoing the things" crashes, i.e. will be more
obvious what happened.