linux-kernel - Re: [PATCH 6/7] [NETDEV]: tehuti Fix possible causing oops of net_rx

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] [day] [month] [year] [list]

Message-ID: <b25c3fa70712122307q88cae7pa6a464d75a27db2@mail.gmail.com>
Date:	Thu, 13 Dec 2007 16:07:29 +0900
From:	"Joonwoo Park" <joonwpark81@...il.com>
To:	"David Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	jgarzik@...ox.com, baum@...utinetworks.net, andy@...yhouse.net
Subject: Re: [PATCH 6/7] [NETDEV]: tehuti Fix possible causing oops of net_rx_action

2007/12/13, David Miller <davem@...emloft.net>:
> From: "Joonwoo Park" <joonwpark81@...il.com>
> Date: Wed, 12 Dec 2007 13:01:27 +0900
>
>
> Any time your trying to make a caller "happy" by adjusting
> a return value forcefully, it's a hack.
>
> And I stated this in another reply about this issue.
>
> Please do not fix the problem this way.
>
> The correct way to fix this is, if we did process a full
> "weight" or work, we should not netif_rx_complete() and
> we should not re-enable chip interrupts.
>
> Instead we should return the true "work_done" value and
> allow the caller to thus poll us one more time.
>

Thanks so much for your advice.
I agree, returning work_done itself exactly.
I will rework for these drivers.

Thanks.
Joonwoo
--
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/