Thread (2 messages) flat view 2 messages, 2 authors, 2017-02-10

Re: [PATCH V2 net] net: hns: Fix the device being used for dma mapping during TX

From: David Miller <davem@davemloft.net>
Date: 2017-02-10 18:43:16
Also in: lkml

From: Salil Mehta <redacted>
Date: Thu, 9 Feb 2017 11:46:15 +0000
From: Kejian Yan <redacted>

This patch fixes the device being used to DMA map skb->data.
Erroneous device assignment causes the crash when SMMU is enabled.
This happens during TX since buffer gets DMA mapped with device
correspondign to net_device and gets unmapped using the device
related to DSAF.

Signed-off-by: Kejian Yan <redacted>
Reviewed-by: Yisen Zhuang <redacted>
Signed-off-by: Salil Mehta <redacted>
Applied, thank you.
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