netdev - Re: [PATCH v2] brcmfmac: Fix memory leak for unpaired brcmf

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Date:   Mon, 02 Nov 2020 18:40:00 +0100
From:   Arend Van Spriel <arend.vanspriel@...adcom.com>
To:     Kalle Valo <kvalo@...eaurora.org>,
        "Seung-Woo Kim" <sw0312.kim@...sung.com>
CC:     <franky.lin@...adcom.com>, <hante.meuleman@...adcom.com>,
        <chi-hsien.lin@...ress.com>, <wright.feng@...ress.com>,
        <davem@...emloft.net>, <kuba@...nel.org>,
        <linux-wireless@...r.kernel.org>,
        <brcm80211-dev-list.pdl@...adcom.com>,
        <brcm80211-dev-list@...ress.com>, <smoch@....de>,
        <sandals@...stytoothpaste.net>, <rafal@...ecki.pl>,
        <digetx@...il.com>, <double.lo@...ress.com>, <amsr@...ress.com>,
        <stanley.hsu@...ress.com>, <saravanan.shanmugham@...ress.com>,
        <jean-philippe@...aro.org>, <frank.kao@...ress.com>,
        <netdev@...r.kernel.org>, <jh80.chung@...sung.com>
Subject: Re: [PATCH v2] brcmfmac: Fix memory leak for unpaired brcmf_{alloc/free}

On November 2, 2020 6:15:32 PM Kalle Valo <kvalo@...eaurora.org> wrote:

> Seung-Woo Kim <sw0312.kim@...sung.com> writes:
>
>> There are missig brcmf_free() for brcmf_alloc(). Fix memory leak
>> by adding missed brcmf_free().
>>
>> Reported-by: Jaehoon Chung <jh80.chung@...sung.com>
>> Fixes: commit 450914c39f88 ("brcmfmac: split brcmf_attach() and 
>> brcmf_detach() functions")
>
> This should be:
>
> Fixes: 450914c39f88 ("brcmfmac: split brcmf_attach() and brcmf_detach() 
> functions")
>
> But I can fix that, no need to resend because of this.

Hi Kalle,

But this is not the commit that needs fixing as I mentioned before. Instead 
it should be a1f5aac1765af ("brcmfmac: don't realloc wiphy during PCIe 
reset") which introduced the actual memory leak.

Regards,
Arend

> --
> https://patchwork.kernel.org/project/linux-wireless/list/
>
> https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches




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