linux-kernel - Re: [RESEND PATCH] ioatdma, fix dma mapping errors

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Message-ID: <20141209092424.GC16827@intel.com>
Date:	Tue, 9 Dec 2014 14:54:24 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Prarit Bhargava <prarit@...hat.com>
Cc:	linux-kernel@...r.kernel.org,
	Dan Williams <dan.j.williams@...el.com>,
	Dave Jiang <dave.jiang@...el.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	dmaengine@...r.kernel.org
Subject: Re: [RESEND PATCH] ioatdma, fix dma mapping errors

On Thu, Oct 23, 2014 at 07:38:29AM -0400, Prarit Bhargava wrote:
> This happens because the current ioatdma DMA test code does not check the return
> value of dma_map_page() calls with dma_mapping_error().  In addition, it was
> noticed that mapping for the variable dest_dma is free'd before the last use.
> 
> This patch fixes these errors by initializing the dma_srcs[] array and checking
> the returns with dma_mapping_error().
Please make sure you use the right subsystem name

Applied now, thanks

-- 
~Vinod

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