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From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Mugunthan V N <mugunthanvnm@ti.com>,
	tglx@linutronix.de, netdev@vger.kernel.org,
	"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH 2/4] net/cpsw: make sure modules remove does not leak any ressources
Date: Thu, 25 Apr 2013 16:47:13 +0400	[thread overview]
Message-ID: <517925D1.2030509@cogentembedded.com> (raw)
In-Reply-To: <1366829305-9752-3-git-send-email-bigeasy@linutronix.de>

Hello.

On 24-04-2013 22:48, Sebastian Andrzej Siewior wrote:

> This driver does not clean up properly after leaving. Here is a list:
> - Use unregister_netdev(). free_netdev() is good but not enough
> - Use the above also on the other ndev in case of dual mac
> - Free data.slave_data. The name of the strucre makes it look like

    s/strucre/structure/

>    it is platform_data but it is not. It is just a trick!
> - Free all irqs. Again: freeing one irq is good start, but freeing all
>    of them is better.

> With this rmmod & modprobe of cpsw seems to work. The remaining issue
> is:
> |WARNING: at fs/sysfs/dir.c:536 sysfs_add_one+0x9c/0xd4()
> |sysfs: cannot create duplicate filename '/devices/ocp.2/4a100000.ethernet/4a101000.mdio'
> |WARNING: at lib/kobject.c:196 kobject_add_internal+0x1a4/0x1c8()

> comming from of_platform_populate() and I am not sure that this belongs
> here.

> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

WBR, Sergei

  parent reply	other threads:[~2013-04-25 12:48 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-24 18:48 Second batch of cpsw patches Sebastian Andrzej Siewior
2013-04-24 18:48 ` [PATCH 1/4] net/ti: add MODULE_DEVICE_TABLE + MODULE_LICENSE Sebastian Andrzej Siewior
2013-04-25  6:29   ` Mugunthan V N
2013-04-24 18:48 ` [PATCH 2/4] net/cpsw: make sure modules remove does not leak any ressources Sebastian Andrzej Siewior
2013-04-25  6:31   ` Mugunthan V N
2013-04-25 12:47   ` Sergei Shtylyov [this message]
2013-04-24 18:48 ` [PATCH 3/4] net/cpsw: optimize the for_each_slave_macro() Sebastian Andrzej Siewior
2013-04-25  6:31   ` Mugunthan V N
2013-04-24 18:48 ` [PATCH 4/4] net/cpsw: fix irq_disable() with threaded interrupts Sebastian Andrzej Siewior
2013-04-25  6:35   ` Mugunthan V N

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