netdev - Re: [net] e100: Add dma mapping error check

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Message-Id: <20130410.152554.577565652647867986.davem@davemloft.net>
Date:	Wed, 10 Apr 2013 15:25:54 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	nhorman@...driver.com, netdev@...r.kernel.org, gospo@...hat.com,
	sassmann@...hat.com, jwboyer@...hat.com,
	e1000-devel@...ts.sourceforge.net
Subject: Re: [net] e100: Add dma mapping error check

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Wed, 10 Apr 2013 02:19:00 -0700

> From: Neil Horman <nhorman@...driver.com>
> 
> e100 uses pci_map_single, but fails to check for a dma mapping error after its
> use, resulting in a stack trace:
 ...
> Easy fix, modify the cb paramter to e100_exec_cb to return an error, and do the
> dma_mapping_error check in the obvious place
> 
> This was reported previously here:
> http://article.gmane.org/gmane.linux.network/257893
> 
> But nobody stepped up and fixed it.
> 
> CC: Josh Boyer <jwboyer@...hat.com>
> CC: e1000-devel@...ts.sourceforge.net
> Signed-off-by: Neil Horman <nhorman@...driver.com>
> Reported-by: Michal Jaegermann <michal@...ddata.com>
> Tested-by: Aaron Brown <aaron.f.brown@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied, thanks.
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