Subject: Re: [1/4] ath9k: use irqsave() in USB's complete callback

From: Kalle Valo <[email-masked]>
Date: Fri, 29 Jun 2018 11:56:42 +0000 (UTC)

Sebastian Andrzej Siewior <[email-masked]> wrote:

> The USB completion callback does not disable interrupts while acquiring
> the lock. We want to remove the local_irq_disable() invocation from
> __usb_hcd_giveback_urb() and therefore it is required for the callback
> handler to disable the interrupts while acquiring the lock.
> The callback may be invoked either in IRQ or BH context depending on the
> USB host controller.
> Use the _irqsave() variant of the locking primitives.
> 
> Cc: QCA ath9k Development <[email-masked]>
> Cc: Kalle Valo <[email-masked]>
> Cc: "David S. Miller" <[email-masked]>
> Cc: [email-masked]
> Signed-off-by: Sebastian Andrzej Siewior <[email-masked]>
> Signed-off-by: Kalle Valo <[email-masked]>

Patch applied to ath-next branch of ath.git, thanks.

84a0d4669c8f ath9k: use irqsave() in USB's complete callback

-- 
https://patchwork.kernel.org/patch/10478601/

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