Re: [RFC] ath11k: fix netdev open race

From: Johan Hovold
Date: Mon May 23 2022 - 10:48:56 EST


On Tue, May 17, 2022 at 12:34:36PM +0200, Johan Hovold wrote:
> Make sure to allocate resources needed before registering the device.
>
> This specifically avoids having a racing open() trigger a BUG_ON() in
> mod_timer() when ath11k_mac_op_start() is called before the
> mon_reap_timer as been set up.
>
> Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
> Fixes: 840c36fa727a ("ath11k: dp: stop rx pktlog before suspend")
> Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
> ---

For completeness:

Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3

Johan