netdev - Re: [PATCH v2] 3c59x: avoid panic in boomerang_start

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Message-Id: <20140903.205839.970971614125053614.davem@davemloft.net>
Date:	Wed, 03 Sep 2014 20:58:39 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	nhorman@...driver.com
Cc:	netdev@...r.kernel.org, klassert@...hematik.tu-chemnitz.de
Subject: Re: [PATCH v2] 3c59x: avoid panic in boomerang_start_xmit when
 finding page address:

From: Neil Horman <nhorman@...driver.com>
Date: Wed,  3 Sep 2014 06:17:25 -0400

> This bug was reported on a very old kernel (RHEL6, 2.6.32-491.el6):
...
> v2) Converted PCI_DMA_TODEVICE to DMA_TO_DEVICE.  Thanks Dave!

Ummm, it's still PCI_DMA_TODEVICE.

> -					cpu_to_le32(pci_map_single(
> -						VORTEX_PCI(vp),
> -						(void *)skb_frag_address(frag),
> -						skb_frag_size(frag), PCI_DMA_TODEVICE));
> +					cpu_to_le32(skb_frag_dma_map(
> +						&VORTEX_PCI(vp)->dev,
> +						frag,
> +						frag->page_offset, frag->size, PCI_DMA_TODEVICE));
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