Re: [PATCH] dmaengine: avoid map_cnt overflow with CONFIG_DMA_ENGINE_RAID

[Vinod Koul]

On Mon, Jan 08, 2018 at 10:50:50AM -0500, Zi Yan wrote:
> From: Zi Yan <zi.yan@xxxxxxxxxxxxxx>
> 
> When CONFIG_DMA_ENGINE_RAID is enabled, unmap pool size can reach to
> 256. But in struct dmaengine_unmap_data, map_cnt is only u8, wrapping
> to 0, if the unmap pool is maximally used. This triggers BUG() when
> struct dmaengine_unmap_data is freed. Use u16 to fix the problem.

Applied, thanks

-- 
~Vinod