Re: [PATCH] dma: coh901318: Fix a double-lock bug

From: Vinod Koul
Date: Sat Nov 24 2018 - 09:30:46 EST

On 06-11-18, 11:33, Jia-Ju Bai wrote:
> The function coh901318_alloc_chan_resources() calls spin_lock_irqsave()
> before calling coh901318_config().
> But coh901318_config() calls spin_lock_irqsave() again in its
> definition, which may cause a double-lock bug.
> Because coh901318_config() is only called by
> coh901318_alloc_chan_resources(), the bug fix is to remove the
> calls to spin-lock and -unlock functions in coh901318_config().

Applied after fixing subsystem tag, thanks