netdev - Re: [PATCH] cxgb4vf: fix crash due to manipulating queues before registration

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]

Date:	Thu, 28 Oct 2010 14:16:38 -0700
From:	Casey Leedom <leedom@...lsio.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] cxgb4vf: fix crash due to manipulating queues before registration

On Oct 28, 2010, at 1:21 PM, David Miller wrote:

> From: Casey Leedom <leedom@...lsio.com>
> Date: Thu, 28 Oct 2010 13:16:47 -0700
> 
>> Before commit "net: allocate tx queues in register_netdevice"
>> netif_tx_stop_all_queues and related functions could be used between
>> device allocation and registration but now only after registration.
>> cxgb4 has such a call before registration and crashes now.  Move it
>> after register_netdev.
>> 
>> Signed-off-by: Casey Leedom <leedom@...lsio.com>
> 
> Why are you manipulating the queue at all here?
> 
> The queue state is "don't care" at this point in time,
> and has no meaning until ->open() is invoked.

True.  This driver was modeled on cxgb4, we wanted to make sure that the cxgb4 crash fix is ported to cxgb4vf.  Let me sync up with the other Chelsio maintainers.

Casey

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html