[Sound-open-firmware] [PATCH] Fix: Don't update avail trace size when DMA copying fails.

[Liam Girdwood]

On Fri, 2018-03-30 at 15:35 +0800, yan.wang at linux.intel.com wrote:
> From: Yan Wang <yan.wang at linux.intel.com>
> 
> When DMA copying fails, its returned copy size is negative error
> number. So it shouldn't be used to update avail variable.
> 
> Signed-off-by: Yan Wang <yan.wang at linux.intel.com>
> 
Applied.

Thanks

Liam