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From: Grygorii Strashko <grygorii.strashko-l0cyMroinI0@public•gmane.org>
To: Sergei Shtylyov
	<sergei.shtylyov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public•gmane.org>,
	Florian Fainelli
	<f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public•gmane.org>,
	<netdev-u79uwXL29TY76Z2rM5mHXA@public•gmane.org>
Cc: <davinci-linux-open-source-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/@public.gmane.org>,
	<linux-doc-u79uwXL29TY76Z2rM5mHXA@public•gmane.org>,
	Randy Dunlap <rdunlap-wEGCiKHe2LqWVfeAwA7xHQ@public•gmane.org>,
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public•gmane.org>,
	<santosh.shilimkar-l0cyMroinI0@public•gmane.org>,
	"David S. Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public•gmane.org>,
	Jonathan Cameron <jic23-DgEjT+Ai2ygdnm+yROfE0A@public•gmane.org>
Subject: Re: [PATCH 1/2] mdio_bus: implement devm_mdiobus_alloc/devm_mdiobus_free
Date: Tue, 8 Apr 2014 12:52:05 +0300	[thread overview]
Message-ID: <5343C6C5.2050502@ti.com> (raw)
In-Reply-To: <533EB077.6000005-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>

On 04/04/2014 04:15 PM, Sergei Shtylyov wrote:
> Hello.
>
> On 04-04-2014 17:40, Grygorii Strashko wrote:
>
>> Add a resource managed devm_mdiobus_alloc()/devm_mdiobus_free()
>> to automatically clean up MDIO bus alocations made by MDIO drivers,
>> thus leading to simplified MDIO drivers code.
>
>> Signed-off-by: Grygorii Strashko <grygorii.strashko-l0cyMroinI0@public•gmane.org>
> [...]
>
>> diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
>> index 76f54b3..fdcd6d1 100644
>> --- a/drivers/net/phy/mdio_bus.c
>> +++ b/drivers/net/phy/mdio_bus.c
>> @@ -69,6 +69,74 @@ struct mii_bus *mdiobus_alloc_size(size_t size)
>>   }
>>   EXPORT_SYMBOL(mdiobus_alloc_size);
>>
>> +static void _devm_mdiobus_free(struct device *dev, void *res)
>> +{
>> +    mdiobus_free(*(struct mii_bus **)res);
>> +}
>> +
>> +static int devm_mdiobus_match(struct device *dev, void *res, void *data)
>> +{
>> +    struct mii_bus **r = res;
>
>     Please insert an empty line after declaration.
>
>> +    if (!r || !*r) {
>> +        WARN_ON(!r || !*r);
>
>     Hm, why we need the duplicate check This condition is always true.

It can be replaced with:
	if (WARN_ON(!r || !*r))
		return 0;


I will wait for additional comments, then resend.

Regards,
- grygorii

  parent reply	other threads:[~2014-04-08  9:52 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-04 13:40 [PATCH 0/2] introduce devm_mdiobus_alloc/devm_mdiobus_free Grygorii Strashko
     [not found] ` <1396618825-4241-1-git-send-email-grygorii.strashko-l0cyMroinI0@public.gmane.org>
2014-04-04 13:40   ` [PATCH 1/2] mdio_bus: implement devm_mdiobus_alloc/devm_mdiobus_free Grygorii Strashko
2014-04-04 13:15     ` Sergei Shtylyov
     [not found]       ` <533EB077.6000005-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
2014-04-08  9:52         ` Grygorii Strashko [this message]
2014-04-04 13:40   ` [PATCH 2/2] net: davinci_mdio: use devm_* api Grygorii Strashko
2014-04-04 13:18     ` Sergei Shtylyov
2014-04-11  4:55 ` [PATCH 0/2] introduce devm_mdiobus_alloc/devm_mdiobus_free Florian Fainelli
     [not found]   ` <CAGVrzcZ8vXBn4omyR7+ejihhcrspt-Rz_BBh55esxNFO06gHgQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-04-11 11:05     ` Grygorii Strashko

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