[POWERPC] therm_adt746x: Eliminate some build warnings

We don't care if the device_create_file calls fail, the driver will work
just as well without them, so just issue a runtime warning.

drivers/macintosh/therm_adt746x.c: In function 'thermostat_init':
drivers/macintosh/therm_adt746x.c:615: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_adt746x.c:616: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_adt746x.c:617: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_adt746x.c:618: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_adt746x.c:619: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_adt746x.c:620: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_adt746x.c:621: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_adt746x.c:622: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_adt746x.c:623: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_adt746x.c:625: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 14 insertions, 10 deletions

diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c
index 276945d51513..54f4942a2968 100644
--- a/drivers/macintosh/therm_adt746x.c
+++ b/drivers/macintosh/therm_adt746x.c
@@ -553,6 +553,7 @@ thermostat_init(void)
         struct device_node* np;
         const u32 *prop;
         int i = 0, offset = 0;
+        int err;
         
         np = of_find_node_by_name(NULL, "fan");
         if (!np)
@@ -612,17 +613,20 @@ thermostat_init(void)
                 return -ENODEV;
         }
         
-        device_create_file(&of_dev->dev, &dev_attr_sensor1_temperature);
-        device_create_file(&of_dev->dev, &dev_attr_sensor2_temperature);
-        device_create_file(&of_dev->dev, &dev_attr_sensor1_limit);
-        device_create_file(&of_dev->dev, &dev_attr_sensor2_limit);
-        device_create_file(&of_dev->dev, &dev_attr_sensor1_location);
-        device_create_file(&of_dev->dev, &dev_attr_sensor2_location);
-        device_create_file(&of_dev->dev, &dev_attr_limit_adjust);
-        device_create_file(&of_dev->dev, &dev_attr_specified_fan_speed);
-        device_create_file(&of_dev->dev, &dev_attr_sensor1_fan_speed);
+        err = device_create_file(&of_dev->dev, &dev_attr_sensor1_temperature);
+        err |= device_create_file(&of_dev->dev, &dev_attr_sensor2_temperature);
+        err |= device_create_file(&of_dev->dev, &dev_attr_sensor1_limit);
+        err |= device_create_file(&of_dev->dev, &dev_attr_sensor2_limit);
+        err |= device_create_file(&of_dev->dev, &dev_attr_sensor1_location);
+        err |= device_create_file(&of_dev->dev, &dev_attr_sensor2_location);
+        err |= device_create_file(&of_dev->dev, &dev_attr_limit_adjust);
+        err |= device_create_file(&of_dev->dev, &dev_attr_specified_fan_speed);
+        err |= device_create_file(&of_dev->dev, &dev_attr_sensor1_fan_speed);
         if(therm_type == ADT7460)
-                device_create_file(&of_dev->dev, &dev_attr_sensor2_fan_speed);
+                err |= device_create_file(&of_dev->dev, &dev_attr_sensor2_fan_speed);
+        if (err)
+                printk(KERN_WARNING
+                        "Failed to create tempertaure attribute file(s).\n");
 
 #ifndef CONFIG_I2C_POWERMAC
         request_module("i2c-powermac");