linux-kernel - Re: [PATCH] qla2xxx: don't disable a not previously enabled PCI device

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Message-ID: <yq1zie3ugix.fsf@oracle.com>
Date:   Tue, 23 May 2017 22:37:10 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Johannes Thumshirn <jthumshirn@...e.de>
Cc:     "Martin K . Petersen" <martin.petersen@...cle.com>,
        Linux SCSI Mailinglist <linux-scsi@...r.kernel.org>,
        Linux Kernel Mailinglist <linux-kernel@...r.kernel.org>,
        qla2xxx-upstream@...gic.com, himanshu.madhani@...ium.com
Subject: Re: [PATCH] qla2xxx: don't disable a not previously enabled PCI device


Johannes,

> When pci_enable_device() or pci_enable_device_mem() fail in
> qla2x00_probe_one() we bail out but do a call to
> pci_disable_device(). This causes the dev_WARN_ON() in
> pci_disable_device() to trigger, as the device wasn't enabled
> previously.
>
> So instead of taking the 'probe_out' error path we can directly return
> *iff* one of the pci_enable_device() calls fails.
>
> Additionally rename the 'probe_out' goto label's name to the more
> descriptive 'disable_device'.
>
> Signed-off-by: Johannes Thumshirn <jthumshirn@...e.de>
> Fixes: e315cd28b9ef ("[SCSI] qla2xxx: Code changes for qla data structure refactoring")

Himanshu/Quinn: Please review!

-- 
Martin K. Petersen	Oracle Linux Engineering