linux-kernel - Re: [PATCH] bnx2fc: reduce stack usage in __bnx2fc

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: <alpine.OSX.2.00.1510071441460.1714@dns1.prod.a4.vary.redhat.com>
Date:	Wed, 7 Oct 2015 14:49:22 -0400
From:	Chad Dupuis <chad.dupuis@...gic.com>
To:	Maurizio Lombardi <mlombard@...hat.com>
CC:	Arnd Bergmann <arnd@...db.de>, <linux-scsi@...r.kernel.org>,
	<QLogic-Storage-Upstream@...gic.com>,
	"James E.J. Bottomley" <JBottomley@...n.com>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Joe Carnuccio <joe.carnuccio@...gic.com>,
	Yuval Mintz <Yuval.Mintz@...gic.com>,
	"David S. Miller" <davem@...emloft.net>, <netdev@...r.kernel.org>
Subject: Re: [PATCH] bnx2fc: reduce stack usage in __bnx2fc_enable



On Wed, 7 Oct 2015, Maurizio Lombardi wrote:

> Hi,
>
> On 10/07/2015 03:11 PM, Arnd Bergmann wrote:
>> -	memset(&npiv_tbl, 0, sizeof(npiv_tbl));
>> -	if (hba->cnic->get_fc_npiv_tbl(hba->cnic, &npiv_tbl))
>> +	npiv_tbl = kzalloc(sizeof(struct cnic_fc_npiv_tbl), GFP_KERNEL);
>> +	if (!npiv_tbl)
>>  		goto done;
>>
>
> If kzalloc() fails perhaps the function should return -ENOMEM, not zero.
>

The enablement of the fcoe interface can still proceed if this particular 
allocation fails so returning 0 would be appropriate here.

This patch looks good to me.

>
> Regards,
> Maurizio Lombardi
>
--
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/