From: Dan Carpenter <dan.carpenter@oracle.com>
To: Ganapathi Bhat <gbhat@marvell.com>
Cc: Colin King <colin.king@canonical.com>,
Amitkumar Karwar <amitkarwar@gmail.com>,
Nishant Sarmukadam <nishants@marvell.com>,
Xinming Hu <huxinming820@gmail.com>,
Kalle Valo <kvalo@codeaurora.org>,
"David S . Miller" <davem@davemloft.net>,
"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"kernel-janitors@vger.kernel.org"
<kernel-janitors@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [EXT] Re: [PATCH] mwifiex: check for null return from skb_copy
Date: Sun, 2 Jun 2019 00:08:58 +0300 [thread overview]
Message-ID: <20190601210858.GG31203@kadam> (raw)
In-Reply-To: <MN2PR18MB2637DAA4852542EDA2BBC01DA01A0@MN2PR18MB2637.namprd18.prod.outlook.com>
On Sat, Jun 01, 2019 at 05:29:26PM +0000, Ganapathi Bhat wrote:
> Hi Dan,
>
> > > if (is_multicast_ether_addr(ra)) {
> > > skb_uap = skb_copy(skb, GFP_ATOMIC);
> > > + if (!skb_uap)
> > > + return -ENOMEM;
> >
> > I think we would want to free dev_kfree_skb_any(skb) before returning.
> I think if the pointer is NULL, no need to free it;
You're misreading skb vs skb_uap. "skb_uap" is NULL but "skb" is
non-NULL and I'm pretty sure we should free it.
regards,
dan carpenter
next prev parent reply other threads:[~2019-06-01 21:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-13 16:14 [PATCH] mwifiex: check for null return from skb_copy Colin King
2019-04-13 19:27 ` Dan Carpenter
2019-06-01 17:29 ` [EXT] " Ganapathi Bhat
2019-06-01 21:08 ` Dan Carpenter [this message]
2019-06-02 1:56 ` Ganapathi Bhat
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