Handle and unwind from errors returned by driver model functions.
Signed-off-by: Jeff Garzik <[email protected]>
---
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:
-
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