From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030795AbWJDKTU (ORCPT ); Wed, 4 Oct 2006 06:19:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030788AbWJDKTU (ORCPT ); Wed, 4 Oct 2006 06:19:20 -0400 Received: from havoc.gtf.org ([69.61.125.42]:48007 "EHLO havoc.gtf.org") by vger.kernel.org with ESMTP id S1030542AbWJDKTT (ORCPT ); Wed, 4 Oct 2006 06:19:19 -0400 Date: Wed, 4 Oct 2006 06:19:18 -0400 From: Jeff Garzik To: linux-scsi@vger.kernel.org Cc: Andrew Morton , LKML Subject: [PATCH] SCSI aic94xx: handle sysfs errors Message-ID: <20061004101918.GA17841@havoc.gtf.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Handle and unwind from errors returned by driver model functions. Signed-off-by: Jeff Garzik --- drivers/scsi/aic94xx/aic94xx_init.c | 41 ++++++++++++++++++++++++++++-------- 1 files changed, 33 insertions(+), 8 deletions(-) diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c index ee2ccad..418e789 100644 --- a/drivers/scsi/aic94xx/aic94xx_init.c +++ b/drivers/scsi/aic94xx/aic94xx_init.c @@ -310,11 +310,29 @@ static ssize_t asd_show_dev_pcba_sn(stru } static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL); -static void asd_create_dev_attrs(struct asd_ha_struct *asd_ha) +static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha) { - device_create_file(&asd_ha->pcidev->dev, &dev_attr_revision); - device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); - device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn); + int err; + + err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_revision); + if (err) + return err; + + err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); + if (err) + goto err_rev; + + err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn); + if (err) + goto err_biosb; + + return 0; + +err_biosb: + device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); +err_rev: + device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision); + return err; } static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha) @@ -646,7 +664,9 @@ static int __devinit asd_pci_probe(struc } ASD_DPRINTK("escbs posted\n"); - asd_create_dev_attrs(asd_ha); + err = asd_create_dev_attrs(asd_ha); + if (err) + goto Err_dev_attrs; err = asd_register_sas_ha(asd_ha); if (err) @@ -669,6 +689,7 @@ Err_en_phys: asd_unregister_sas_ha(asd_ha); Err_reg_sas: asd_remove_dev_attrs(asd_ha); +Err_dev_attrs: Err_escbs: asd_disable_ints(asd_ha); free_irq(dev->irq, asd_ha); @@ -755,9 +776,9 @@ static ssize_t asd_version_show(struct d } static DRIVER_ATTR(version, S_IRUGO, asd_version_show, NULL); -static void asd_create_driver_attrs(struct device_driver *driver) +static int asd_create_driver_attrs(struct device_driver *driver) { - driver_create_file(driver, &driver_attr_version); + return driver_create_file(driver, &driver_attr_version); } static void asd_remove_driver_attrs(struct device_driver *driver) @@ -835,10 +856,14 @@ static int __init aic94xx_init(void) if (err) goto out_release_transport; - asd_create_driver_attrs(&aic94xx_pci_driver.driver); + err = asd_create_driver_attrs(&aic94xx_pci_driver.driver); + if (err) + goto out_unregister_pcidrv; return err; + out_unregister_pcidrv: + pci_unregister_driver(&aic94xx_pci_driver); out_release_transport: sas_release_transport(aic94xx_transport_template); out_destroy_caches: