Arend Van Spriel <arend.vanspriel@xxxxxxxxxxxx> wrote:
> USB devices rely on queuing functionality provided by the fwsignal
> module regardless the mode fwsignal is operating in. For this some
> data structure needs to be reserved which is tied to the interface,
> which is done by brcmf_fws_add_interface(). However, it checks the
> mode. Replace that by checking result from brcmf_fws_queue_skbs().
> Otherwise the driver will crash in a null pointer dereference when
> data is transmitted on the interface.
>
> Fixes: fc0471e3e884 ("brcmfmac: ignore interfaces when fwsignal is disabled")
> Reviewed-by: Franky Lin <franky.lin@xxxxxxxxxxxx>
> Signed-off-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx>
Patch applied to wireless-drivers.git, thanks.
a2b7a622d629 brcmfmac: fix brcmf_fws_add_interface() for USB devices
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https://patchwork.kernel.org/patch/9780809/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
