netdev - RE: [PATCH net] ieee802154: fix one possible memleak in ca8210_dev_com

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Date:   Tue, 21 Jul 2020 11:09:16 +0000
From:   "liujian (CE)" <liujian56@...wei.com>
To:     Stefan Schmidt <stefan@...enfreihafen.org>,
        "h.morris@...coda.com" <h.morris@...coda.com>,
        "alex.aring@...il.com" <alex.aring@...il.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "marcel@...tmann.or" <marcel@...tmann.or>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [PATCH net] ieee802154: fix one possible memleak in
 ca8210_dev_com_init



> -----Original Message-----
> From: Stefan Schmidt [mailto:stefan@...enfreihafen.org]
> Sent: Tuesday, July 21, 2020 4:35 PM
> To: liujian (CE) <liujian56@...wei.com>; h.morris@...coda.com;
> alex.aring@...il.com; davem@...emloft.net; kuba@...nel.org;
> marcel@...tmann.or; netdev@...r.kernel.org
> Subject: Re: [PATCH net] ieee802154: fix one possible memleak in
> ca8210_dev_com_init
> 
> Hello.
> 
> On 20.07.20 16:33, Liu Jian wrote:
> > We should call destroy_workqueue to destroy mlme_workqueue in error
> branch.
> >
> > Fixes: ded845a781a5 ("ieee802154: Add CA8210 IEEE 802.15.4 device
> > driver")
> > Signed-off-by: Liu Jian <liujian56@...wei.com>
> > ---
> >   drivers/net/ieee802154/ca8210.c | 1 +
> >   1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/net/ieee802154/ca8210.c
> > b/drivers/net/ieee802154/ca8210.c index e04c3b60cae7..4eb64709d44c
> > 100644
> > --- a/drivers/net/ieee802154/ca8210.c
> > +++ b/drivers/net/ieee802154/ca8210.c
> > @@ -2925,6 +2925,7 @@ static int ca8210_dev_com_init(struct ca8210_priv
> *priv)
> >   	);
> >   	if (!priv->irq_workqueue) {
> >   		dev_crit(&priv->spi->dev, "alloc of irq_workqueue
> failed!\n");
> > +		destroy_workqueue(priv->mlme_workqueue);
> >   		return -ENOMEM;
> >   	}
> 
> For ieee802154 patches please keep the linux-wpan list in CC. This allows me
> to track patches with patchwork. Applied this one manually.
Got it, thank you~
> This patch has been applied to the wpan tree and will be part of the next pull
> request to net. Thanks!
> 
> regards
> Stefan Schmidt