Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> 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 <ath9k-devel@xxxxxxxxxxxxxxxx> > Cc: Kalle Valo <kvalo@xxxxxxxxxxxxxx> > Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> > Cc: linux-wireless@xxxxxxxxxxxxxxx > Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> > Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> 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
