linux-kernel - Re: [PATCH] v2 fec_main iMX6Q DMA-API: device driver tries to free DMA memory it has not allocated

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <20140903133805.GZ30401@n2100.arm.linux.org.uk>
Date:	Wed, 3 Sep 2014 14:38:05 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Anand Moon <moon.linux@...oo.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Nimrod Andy <B38611@...escale.com>,
	Frank Li <frank.li@...escale.com>,
	Fabio Estevam <fabio.estevam@...escale.com>,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>, fugang.duan@...escale.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] v2 fec_main iMX6Q DMA-API: device driver tries to free
	DMA memory it has not allocated

On Wed, Sep 03, 2014 at 05:50:50PM +0530, Anand Moon wrote:
> Check was added to check dma address should not be 0x0000000000000000
> before unmap the dma.
>  v1: remove unnecessary of bdp->cbd_bufaddr as suggested
>  by  Andy <fugang.duan@...escale.com>

I still have a whole pile of commits, one of them cleans up the handling
of this stuff.  Please hold off on this for the time being until I can
dig out the appropriate commit.

-- 
FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up
according to speedtest.net.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/