hwmon: (ibmaem) Fix error paths
I am under the impression that error paths in functions
aem_init_aem1_inst() and aem_init_aem2_inst() are incorrect. In
several cases, the function returns 0 on error, which I suspect is
not intended. Fix this by properly tracking error codes.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Darrick J. Wong <djwong@us.ibm.com>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c
index 783d0c1..aba6b59 100644
--- a/drivers/hwmon/ibmaem.c
+++ b/drivers/hwmon/ibmaem.c
@@ -570,24 +570,26 @@
platform_set_drvdata(data->pdev, data);
/* Set up IPMI interface */
- if (aem_init_ipmi_data(&data->ipmi, probe->interface,
- probe->bmc_device))
+ res = aem_init_ipmi_data(&data->ipmi, probe->interface,
+ probe->bmc_device);
+ if (res)
goto ipmi_err;
/* Register with hwmon */
data->hwmon_dev = hwmon_device_register(&data->pdev->dev);
-
if (IS_ERR(data->hwmon_dev)) {
dev_err(&data->pdev->dev, "Unable to register hwmon "
"device for IPMI interface %d\n",
probe->interface);
+ res = PTR_ERR(data->hwmon_dev);
goto hwmon_reg_err;
}
data->update = update_aem1_sensors;
/* Find sensors */
- if (aem1_find_sensors(data))
+ res = aem1_find_sensors(data);
+ if (res)
goto sensor_err;
/* Add to our list of AEM devices */
@@ -704,24 +706,26 @@
platform_set_drvdata(data->pdev, data);
/* Set up IPMI interface */
- if (aem_init_ipmi_data(&data->ipmi, probe->interface,
- probe->bmc_device))
+ res = aem_init_ipmi_data(&data->ipmi, probe->interface,
+ probe->bmc_device);
+ if (res)
goto ipmi_err;
/* Register with hwmon */
data->hwmon_dev = hwmon_device_register(&data->pdev->dev);
-
if (IS_ERR(data->hwmon_dev)) {
dev_err(&data->pdev->dev, "Unable to register hwmon "
"device for IPMI interface %d\n",
probe->interface);
+ res = PTR_ERR(data->hwmon_dev);
goto hwmon_reg_err;
}
data->update = update_aem2_sensors;
/* Find sensors */
- if (aem2_find_sensors(data))
+ res = aem2_find_sensors(data);
+ if (res)
goto sensor_err;
/* Add to our list of AEM devices */