netdev - Re: [PATCH v2 7/9] net: mvmdio: Use devm

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Message-ID: <20140516234835.GA2179@arch.cereza>
Date:	Fri, 16 May 2014 20:48:36 -0300
From:	Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
Cc:	netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
	Willy Tarreau <w@....eu>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Gregory Clement <gregory.clement@...e-electrons.com>,
	Lior Amsalem <alior@...vell.com>,
	Tawfik Bayouk <tawfik@...vell.com>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
Subject: Re: [PATCH v2 7/9] net: mvmdio: Use devm_* API to simplify the code

On 06 May 10:01 PM, Sergei Shtylyov wrote:
> On 05/06/2014 09:20 PM, Ezequiel Garcia wrote:
> 
> >This commit makes use of devm_kmalloc() for memory allocation and the
> >recently introduced devm_mdiobus_alloc() API to simplify driver's code.
> >While here, remove a redundant out of memory error message.
> 
> >Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
> >Signed-off-by: Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>
> >---
> >  drivers/net/ethernet/marvell/mvmdio.c | 18 ++++++------------
> >  1 file changed, 6 insertions(+), 12 deletions(-)
> 
> >diff --git a/drivers/net/ethernet/marvell/mvmdio.c b/drivers/net/ethernet/marvell/mvmdio.c
> >index b161a52..995e182 100644
> >--- a/drivers/net/ethernet/marvell/mvmdio.c
> >+++ b/drivers/net/ethernet/marvell/mvmdio.c
> [...]
> >@@ -208,11 +207,10 @@ static int orion_mdio_probe(struct platform_device *pdev)
> >  		 dev_name(&pdev->dev));
> >  	bus->parent = &pdev->dev;
> >
> >-	bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
> >-	if (!bus->irq) {
> >-		mdiobus_free(bus);
> >+	bus->irq = devm_kmalloc(&pdev->dev,
> >+				sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
> 
>    I'd rather use devm_kmalloc_array().
> 

Sure. I'll prepare another version.

Thanks,
-- 
Ezequiel García, Free Electrons
Embedded Linux, Kernel and Android Engineering
http://free-electrons.com
--
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