linux-kernel - Re: [PATCH] sky2: fix missing register reset on error path in sky2_test

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Date:	Tue, 3 Apr 2012 11:55:47 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Lino Sanfilippo <LinoSanfilippo@....de>
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] sky2: fix missing register reset on error path in
 sky2_test_msi()

On Fri, 30 Mar 2012 19:36:16 +0200
Lino Sanfilippo <LinoSanfilippo@....de> wrote:

> In sky2_test_msi() the temporarily set SW IRQ in B0 register is not reset in case
> that request_irq() fails.
> With this patch we only set the interrupt mask if request_irq() was successful.
> 
> Signed-off-by: Lino Sanfilippo <LinoSanfilippo@....de>

Ok, but this is a non-serious error case. If request_irq() fails here,
the driver is going to fail to load and on the failure path of
sky2_probe will reset the chip on the way out.


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