Re: [PATCH] wd719x: pass GFP_ATOMIC instead of GFP_KERNEL

From: David Rientjes
Date: Wed May 29 2019 - 17:15:20 EST


On Tue, 28 May 2019, Christoph Hellwig wrote:

> > wd719x_chip_init is getting called in interrupt disabled
> > mode(spin_lock_irqsave) , so we need to GFP_ATOMIC instead
> > of GFP_KERNEL.
> >
> > Issue identified by coccicheck
>
> I don't think request_firmware is any more happy being called under
> a spinlock. The right fix is to not hold a spinlock over the board
> initialization.
>

Right, and not even wd719x_chip_init() is always called in this context
otherwise wd719x_board_found() would also need the same change.