From: Dan Carpenter <dan.carpenter@oracle.com>
To: Pavel Skripkin <paskripkin@gmail.com>
Cc: Yanfei Xu <yanfei.xu@windriver.com>,
Bartosz Golaszewski <bgolaszewski@baylibre.com>,
andrew@lunn.ch, hkallweit1@gmail.com, linux@armlinux.org.uk,
davem@davemloft.net, kuba@kernel.org, p.zabel@pengutronix.de,
syzbot+398e7dc692ddbbb4cfec@syzkaller.appspotmail.com,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
Dongliang Mu <mudongliangabcd@gmail.com>
Subject: Re: [PATCH] net: mdiobus: Fix memory leak in __mdiobus_register
Date: Tue, 28 Sep 2021 13:59:43 +0300 [thread overview]
Message-ID: <20210928105943.GL2083@kadam> (raw)
In-Reply-To: <63b18426-c39e-d898-08fb-8bfd05b7be9e@gmail.com>
On Tue, Sep 28, 2021 at 01:46:56PM +0300, Pavel Skripkin wrote:
> > diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
> > index ee8313a4ac71..c380a30a77bc 100644
> > --- a/drivers/net/phy/mdio_bus.c
> > +++ b/drivers/net/phy/mdio_bus.c
> > @@ -538,6 +538,7 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner)
> > bus->dev.groups = NULL;
> > dev_set_name(&bus->dev, "%s", bus->id);
> > + bus->state = MDIOBUS_UNREGISTERED;
> > err = device_register(&bus->dev);
> > if (err) {
> > pr_err("mii_bus %s failed to register\n", bus->id);
> >
> >
> yep, it's the same as mine, but I thought, that MDIOBUS_UNREGISTERED is not
> correct name for this state :) Anyway, thank you for suggestion
>
It's not actually the same. The state has to be set before the
device_register() or there is still a leak.
regards,
dan carpenter
next prev parent reply other threads:[~2021-09-28 11:00 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-26 4:53 [PATCH] net: mdiobus: Fix memory leak in __mdiobus_register Yanfei Xu
2021-09-26 15:34 ` Andrew Lunn
2021-09-27 12:30 ` patchwork-bot+netdevbpf
2021-09-28 8:55 ` Dan Carpenter
2021-09-28 9:26 ` Dan Carpenter
2021-09-28 9:45 ` Pavel Skripkin
2021-09-28 10:39 ` Dan Carpenter
2021-09-28 10:46 ` Pavel Skripkin
2021-09-28 10:55 ` Dan Carpenter
2021-09-28 11:04 ` Pavel Skripkin
2021-09-28 10:59 ` Dan Carpenter [this message]
2021-09-28 11:06 ` Pavel Skripkin
2021-09-28 11:09 ` Pavel Skripkin
2021-09-28 11:30 ` Dan Carpenter
2021-09-28 11:45 ` Pavel Skripkin
2021-09-28 12:23 ` Dan Carpenter
2021-09-28 12:58 ` Russell King (Oracle)
2021-09-28 13:52 ` Dan Carpenter
2021-09-28 15:41 ` Russell King (Oracle)
2021-09-28 15:48 ` Dongliang Mu
2021-09-29 2:05 ` Xu, Yanfei
2021-09-28 13:11 ` Russell King (Oracle)
2021-09-29 21:31 ` Denis Efremov
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