netdev - Re: [PATCH net] qeth: don't query for info if hardware not ready.

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: <20140902.135453.1641959942842500454.davem@davemloft.net>
Date:	Tue, 02 Sep 2014 13:54:53 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	blaschka@...ux.vnet.ibm.com
Cc:	netdev@...r.kernel.org, linux-s390@...r.kernel.org
Subject: Re: [PATCH net] qeth: don't query for info if hardware not ready.

From: Frank Blaschka <blaschka@...ux.vnet.ibm.com>
Date: Tue, 2 Sep 2014 08:20:17 +0200

> From: Eugene Crosser <Eugene.Crosser@...ibm.com>
> 
> When qeth device is queried for ethtool data, hardware operation
> is performed to extract the necessary information from the card.
> If the card is not online at the moment (e.g. it is undergoing
> recovery), this operation produces undesired effects like
> temporarily freezing the system. This patch prevents execution
> of the hardware query operation when the card is not online.
> In such case, ioctl() operation returns error with errno ENODEV.
> 
> Reviewed-by: Ursula Braun <ursula.braun@...ibm.com>
> Signed-off-by: Eugene Crosser <Eugene.Crosser@...ibm.com>
> Signed-off-by: Frank Blaschka <blaschka@...ux.vnet.ibm.com>

Applied.
--
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