linux-kernel - Re: [PATCH] pcnet32: fix a logic error with pci_set_dma

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Message-ID: <20151013075310.GA3705@ubuntu>
Date:	Tue, 13 Oct 2015 00:53:10 -0700
From:	Geliang Tang <geliangtang@....com>
To:	David Miller <davem@...emloft.net>, Don Fry <pcnet32@...ntier.com>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Geliang Tang <geliangtang@....com>
Subject: Re: [PATCH] pcnet32: fix a logic error with pci_set_dma_mask

On Mon, Oct 12, 2015 at 05:38:14AM -0700, David Miller wrote:
> From: Geliang Tang <geliangtang@....com>
> Date: Fri,  9 Oct 2015 03:45:39 -0700
> 
> > pcnet32 can't work on my machine recently. It says "architecture
> > does not support 32bit PCI busmaster DMA". There is a logic error
> > in it: pci_set_dma_mask() return 0 means return successfully.
> > 
> > Signed-off-by: Geliang Tang <geliangtang@....com>
> 
> This driver doesn't call pci_set_dma_mask() in any of my tree(s).

This patch is against linux-next tree. It was introduced by commit
9c034d4 'pcnet32: use pci_set_dma_mask insted of pci_dma_supported'.


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