Re: [PATCH] wifi: brcmfmac: fix lost 802.1x TX completion wakeup

[Arend van Spriel]

On Tue, 11 Aug 2026 10:27:02 +0200, Karl Mehltretter wrote:
> brcmf_txfinalize() decrements pend_8021x_cnt before a lockless
> waitqueue_active() check. atomic_dec() does not order the decrement
> against the check.
>
> [...]
>
> Fixes: 21fff75d2fb6 ("brcmfmac: use wait_event_timeout for 8021x pending count")
> Assisted-by: Claude:claude-fable-5
> Signed-off-by: Karl Mehltretter <kmehltretter@xxxxxxxxx>
> ---
>  drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c | 2 ++
>  1 file changed, 2 insertions(+)

Please add Cc: stable@xxxxxxxxxxxxxxx - the Fixes tag references a 2012
commit so this affects all supported stable branches.

Acked-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx>

Regards,
Arend