Re: brcmfmac: pcie: fix oops on failure to resume and reprobe

From: Kalle Valo
Date: Sun Aug 29 2021 - 07:46:15 EST


Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> wrote:

> When resuming from suspend, brcmf_pcie_pm_leave_D3 will first attempt a
> hot resume and then fall back to removing the PCI device and then
> reprobing. If this probe fails, the kernel will oops, because brcmf_err,
> which is called to report the failure will dereference the stale bus
> pointer. Open code and use the default bus-less brcmf_err to avoid this.
>
> Fixes: 8602e62441ab ("brcmfmac: pass bus to the __brcmf_err() in pcie.c")
> Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>

Patch applied to wireless-drivers-next.git, thanks.

d745ca4f2c4a brcmfmac: pcie: fix oops on failure to resume and reprobe

--
https://patchwork.kernel.org/project/linux-wireless/patch/20210817063521.22450-1-a.fatoum@xxxxxxxxxxxxxx/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches