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Re: [PATCH] brcmfmac: fix brcmf_wiphy_wowl_params() NULL pointer dereference

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Chi-Hsien Lin <chi-hsien.lin@xxxxxxxxxxx> writes:

> From: Winnie Chang <winnie.chang@xxxxxxxxxxx>
>
> The kernel BUG happens when wowl is enabled from firmware. In
> brcmf_wiphy_wowl_params(), cfg is a NULL pointer because it is
> drvr->config returned from wiphy_to_cfg(), and drvr->config is not set
> yet. To fix it, set drvr->config before brcmf_setup_wiphy() which
> calls brcmf_wiphy_wowl_params().
>
> The kernel panic is introduced in below commit:
> commit id: 856d5a011c86b59f6564be4508912fb1d866adfc
> brcmfmac: allocate struct brcmf_pub instance using wiphy_new()
>
> Signed-off-by: Winnie Chang <winnie.chang@xxxxxxxxxxx>
> Reviewed-by: Chi-Hsien Lin <chi-hsien.lin@xxxxxxxxxxx>

Chi-Hsien, you need to include your own s-o-b as well when you are
submitting the patch:

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches#signed-off-by_missing

-- 
Kalle Valo



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