netdev - Re: [PATCH] [for 4.14] net: qcom/emac: specify the correct size when mapping a DMA buffer

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Message-Id: <20170925.163511.25037798110859886.davem@davemloft.net>
Date:   Mon, 25 Sep 2017 16:35:11 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     timur@...eaurora.org
Cc:     netdev@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] [for 4.14] net: qcom/emac: specify the correct size
 when mapping a DMA buffer

From: Timur Tabi <timur@...eaurora.org>
Date: Fri, 22 Sep 2017 15:32:44 -0500

> When mapping the RX DMA buffers, the driver was accidentally specifying
> zero for the buffer length.  Under normal circumstances, SWIOTLB does not
> need to allocate a bounce buffer, so the address is just mapped without
> checking the size field.  This is why the error was not detected earlier.
> 
> Fixes: b9b17debc69d ("net: emac: emac gigabit ethernet controller driver")
> Cc: stable@...r.kernel.org
> Signed-off-by: Timur Tabi <timur@...eaurora.org>

Applied and queued up for -stable, thanks.