linux-kernel - Re: [PATCH] media: venus: fix reported size of 0-length buffers

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

Message-ID: <f3572cbeecbcbeeb37a6e2d29b4e72e2a9ae75bc.camel@ndufresne.ca>
Date:   Thu, 15 Nov 2018 11:51:08 -0500
From:   Nicolas Dufresne <nicolas@...fresne.ca>
To:     Alexandre Courbot <acourbot@...omium.org>
Cc:     Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Linux Media Mailing List <linux-media@...r.kernel.org>,
        linux-arm-msm@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] media: venus: fix reported size of 0-length buffers

Le jeudi 15 novembre 2018 à 11:49 -0500, Nicolas Dufresne a écrit :
> Sending buffers with payload size to 0 just for the sake of setting the
> V4L2_BUF_FLAG_LAST was considered a waste. Specially that after that,
> every polls should return EPIPE. So in the end, we decided the it
> should just unblock the userspace and return EPIPE.

errata, DQBUF returns EPIPE, not sure why I keep saying poll.

sorry for that,
Nicolas

Download attachment "signature.asc" of type "application/pgp-signature" (196 bytes)