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From: Julia Lawall <julia.lawall@lip6.fr>
To: Julia Lawall <julia.lawall@lip6.fr>
Cc: Kumar Amit Mehta <gmate.amit@gmail.com>,
	gregkh@linuxfoundation.org, navin.patidar@gmail.com,
	Larry.Finger@lwfinger.net, dan.carpenter@oracle.com,
	tapaswenipathak@gmail.com, abelmoyo.ab@gmail.com,
	devel@driverdev.osuosl.org, kernel-janitors@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] staging: rtl8188eu: core: rtw_wlan_util.c: Fix for NULL dereference
Date: Mon, 26 Jan 2015 17:06:46 +0100 (CET)	[thread overview]
Message-ID: <alpine.DEB.2.10.1501261706170.2693@hadrien> (raw)
In-Reply-To: <alpine.DEB.2.10.1501261657590.2693@hadrien>



On Mon, 26 Jan 2015, Julia Lawall wrote:

> On Mon, 26 Jan 2015, Kumar Amit Mehta wrote:
>
> > In rtw_check_bcn_info(), check the return value of kzalloc() before
> > dereferencing it, to avoid NULL pointer dereference.
> >
> > Signed-off-by: Kumar Amit Mehta <gmate.amit@gmail.com>
> > ---
> >  drivers/staging/rtl8188eu/core/rtw_wlan_util.c | 2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/drivers/staging/rtl8188eu/core/rtw_wlan_util.c b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c
> > index 3e9b6e9..a3ffc69 100644
> > --- a/drivers/staging/rtl8188eu/core/rtw_wlan_util.c
> > +++ b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c
> > @@ -931,6 +931,8 @@ int rtw_check_bcn_info(struct adapter  *Adapter, u8 *pframe, u32 packet_len)
> >  	}
> >
> >  	bssid = kzalloc(sizeof(struct wlan_bssid_ex), GFP_ATOMIC);
> > +	if (!bssid)
> > +		return _FAIL;
>
> I haven't looked at this issue in a while, but shouldn't this be
> OBD_ALLOC?

Sorry for the noise.  I assumed that both patches were for lustre, but
this one is not.

julia

      reply	other threads:[~2015-01-26 16:06 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-26 15:39 Kumar Amit Mehta
2015-01-26 15:59 ` Julia Lawall
2015-01-26 16:06   ` Julia Lawall [this message]

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