netdev - Re: [PATCH net-next 10/13] net: ethernet: aquantia: Checking for success dma_map

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 for Android: free password hash cracker in your pocket

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

Message-ID: <f52f06ff-0666-865a-74b5-e7840fde3a3c@gmx.de>
Date:   Wed, 15 Feb 2017 22:40:23 +0100
From:   Lino Sanfilippo <LinoSanfilippo@....de>
To:     Pavel Belous <Pavel.Belous@...antia.com>,
        "David S . Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org,
        Simon Edelhaus <Simon.Edelhaus@...antia.com>,
        Alexey Andriyanov <Alexey.Andriyanov@...antia.com>
Subject: Re: [PATCH net-next 10/13] net: ethernet: aquantia: Checking for
 success dma_map_single.

On 15.02.2017 22:23, Lino Sanfilippo wrote:

>
>
> In case of this error you have to undo all mappings that you have
> done so far (i.e the complete frag list and the head buffer).
>

And, since mapping failed, set ret = 0 and handle this case in the
caller, too.

Regards,
Lino