netdev - RE: [PATCH RESEND] net:fec:Fix error checking in the function fec_enet

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Message-ID: <VI1PR0401MB18556DB43CA611545DB37C21FFB00@VI1PR0401MB1855.eurprd04.prod.outlook.com>
Date:	Sun, 6 Mar 2016 16:10:14 +0000
From:	Fugang Duan <fugang.duan@....com>
To:	nick <xerofoify@...il.com>,
	"davem@...emloft.net" <davem@...emloft.net>
CC:	"b38611@...escale.com" <b38611@...escale.com>,
	"andrew@...n.ch" <andrew@...n.ch>,
	"fabio.estevam@...escale.com" <fabio.estevam@...escale.com>,
	"l.stach@...gutronix.de" <l.stach@...gutronix.de>,
	"rmk+kernel@....linux.org.uk" <rmk+kernel@....linux.org.uk>,
	"tremyfr@...il.com" <tremyfr@...il.com>,
	"johannes@...solutions.net" <johannes@...solutions.net>,
	"u.kleine-koenig@...gutronix.de" <u.kleine-koenig@...gutronix.de>,
	"haokexin@...il.com" <haokexin@...il.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH RESEND] net:fec:Fix error checking in the function
 fec_enet_init

From: nick <xerofoify@...il.com> Sent: Sunday, March 06, 2016 11:50 AM
> To: Fugang Duan <fugang.duan@....com>; davem@...emloft.net
> Cc: b38611@...escale.com; andrew@...n.ch; fabio.estevam@...escale.com;
> l.stach@...gutronix.de; rmk+kernel@....linux.org.uk; tremyfr@...il.com;
> johannes@...solutions.net; u.kleine-koenig@...gutronix.de;
> haokexin@...il.com; netdev@...r.kernel.org; linux-kernel@...r.kernel.org
> Subject: Re: [PATCH RESEND] net:fec:Fix error checking in the function
> fec_enet_init
> 
> 
> 
> On 2016-03-05 07:00 PM, Fugang Duan wrote:
> > From: Nicholas Krause <xerofoify@...il.com> Sent: Saturday, March 05,
> > 2016 4:00 AM
> >> To: davem@...emloft.net
> >> Cc: b38611@...escale.com; andrew@...n.ch;
> >> fabio.estevam@...escale.com; l.stach@...gutronix.de;
> >> rmk+kernel@....linux.org.uk; tremyfr@...il.com;
> >> johannes@...solutions.net; u.kleine-koenig@...gutronix.de;
> >> haokexin@...il.com; netdev@...r.kernel.org;
> >> linux-kernel@...r.kernel.org
> >> Subject: [PATCH RESEND] net:fec:Fix error checking in the function
> >> fec_enet_init
> >>
> >> This fixes error checking in the function fec_enet_init to properly
> >> check if the internal call to the function fec_enet_alloc_queue fails
> >> and if so immediately return the error code to the caller for it to handle it's
> own intended error paths.
> >>
> >> Signed-off-by: Nicholas Krause <xerofoify@...il.com>
> >> ---
> >>  drivers/net/ethernet/freescale/fec_main.c | 5 ++++-
> >>  1 file changed, 4 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/drivers/net/ethernet/freescale/fec_main.c
> >> b/drivers/net/ethernet/freescale/fec_main.c
> >> index b349e6f..18c625f 100644
> >> --- a/drivers/net/ethernet/freescale/fec_main.c
> >> +++ b/drivers/net/ethernet/freescale/fec_main.c
> >> @@ -3123,6 +3123,7 @@ static int fec_enet_init(struct net_device *ndev)
> >>  	dma_addr_t bd_dma;
> >>  	int bd_size;
> >>  	unsigned int i;
> >> +	int ret;
> >>
> >>  #if defined(CONFIG_ARM)
> >>  	fep->rx_align = 0xf;
> >> @@ -3132,7 +3133,9 @@ static int fec_enet_init(struct net_device *ndev)
> >>  	fep->tx_align = 0x3;
> >>  #endif
> >>
> >> -	fec_enet_alloc_queue(ndev);
> >> +	ret = fec_enet_alloc_queue(ndev);
> >> +	if (ret)
> >> +		return ret;
> >>
> >>  	if (fep->bufdesc_ex)
> >>  		fep->bufdesc_size = sizeof(struct bufdesc_ex);
> >> --
> >> 2.1.4
> > Thanks.
> >
> > Acked-by: Fugang Duan <Fugang.duan@....com>
> >
> Fugang,
> I have a few other patches for freescale ethernet drivers lying around. Would
> you like me to resend them or are you just taking this one patch?
> Cheers,
> Nick

Hi Nick,

Pls resend them, thanks.

Regards,
Andy