From: Greg KH <gregkh@linuxfoundation.org>
To: maowenan <maowenan@huawei.com>
Cc: Ajay Kaher <akaher@vmware.com>,
davem@davemloft.net, kuznet@ms2.inr.ac.ru, jmorris@namei.org,
yoshfuji@linux-ipv6.org, kaber@trash.net, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org,
srivatsab@vmware.com, srivatsa@csail.mit.edu,
amakhalov@vmware.com, srinidhir@vmware.com, bvikas@vmware.com,
anishs@vmware.com, vsirnapalli@vmware.com, srostedt@vmware.com
Subject: Re: [PATCH 4.9.y] Revert "net: sit: fix memory leak in sit_init_net()"
Date: Sun, 27 Oct 2019 21:05:47 +0100 [thread overview]
Message-ID: <20191027200547.GB2588299@kroah.com> (raw)
In-Reply-To: <d0cbd39d-9fb7-dad8-b951-12aa299f13e8@huawei.com>
On Fri, Oct 18, 2019 at 09:48:05AM +0800, maowenan wrote:
>
>
> On 2019/10/17 2:30, Greg KH wrote:
> > On Wed, Oct 16, 2019 at 02:33:54PM +0530, Ajay Kaher wrote:
> >> This reverts commit 375d6d454a95ebacb9c6eb0b715da05a4458ffef which is
> >> commit 07f12b26e21ab359261bf75cfcb424fdc7daeb6d upstream.
> >>
> >> Unnecessarily calling free_netdev() from sit_init_net().
> >> ipip6_dev_free() of 4.9.y called free_netdev(), so no need
> >> to call again after ipip6_dev_free().
> >>
> >> Cc: Mao Wenan <maowenan@huawei.com>
> >> Cc: David S. Miller <davem@davemloft.net>
> >> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> >> Signed-off-by: Ajay Kaher <akaher@vmware.com>
> >> ---
> >> net/ipv6/sit.c | 1 -
> >> 1 file changed, 1 deletion(-)
> >>
> >> diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
> >> index 47ca2a2..16eba7b 100644
> >> --- a/net/ipv6/sit.c
> >> +++ b/net/ipv6/sit.c
> >> @@ -1856,7 +1856,6 @@ static int __net_init sit_init_net(struct net *net)
> >>
> >> err_reg_dev:
> >> ipip6_dev_free(sitn->fb_tunnel_dev);
> >> - free_netdev(sitn->fb_tunnel_dev);
> >> err_alloc_dev:
> >> return err;
> >> }
> >> --
> >> 2.7.4
> >>
> >
> > Mao, are you ok with this change?
> >
> > thanks,
> >
> > greg k-h
> >
>
> Greg, ipip6_dev_free has already called free_netdev in stable 4.9.
>
> Reviewed-by: Mao Wenan <maowenan@huawei.com>
Thanks, now queued up.
greg k-h
prev parent reply other threads:[~2019-10-27 20:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-16 9:03 [PATCH 4.9.y] Revert "net: sit: fix memory leak in sit_init_net()" Ajay Kaher
2019-10-16 18:30 ` Greg KH
2019-10-18 1:48 ` maowenan
2019-10-27 20:05 ` Greg KH [this message]
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