m68k: dio - Kill warn_unused_result warnings

warning: ignoring return value of 'device_register', declared with attribute
warn_unused_result
warning: ignoring return value of 'device_create_file', declared with
attribute warn_unused_result

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

diff --git a/drivers/dio/dio-sysfs.c b/drivers/dio/dio-sysfs.c
index f464630388471a69fb048d41f60c4d186821df3e..91d5f4da8769d4597978f0e0d0006be851728a3f 100644 (file)
--- a/drivers/dio/dio-sysfs.c
+++ b/drivers/dio/dio-sysfs.c
@@ -63,15 +63,19 @@ static ssize_t dio_show_resource(struct device *dev, struct device_attribute *at
 }
 static DEVICE_ATTR(resource, S_IRUGO, dio_show_resource, NULL);
 
-void dio_create_sysfs_dev_files(struct dio_dev *d)
+int dio_create_sysfs_dev_files(struct dio_dev *d)
 {
        struct device *dev = &d->dev;
+       int error;
 
        /* current configuration's attributes */
-       device_create_file(dev, &dev_attr_id);
-       device_create_file(dev, &dev_attr_ipl);
-       device_create_file(dev, &dev_attr_secid);
-       device_create_file(dev, &dev_attr_name);
-       device_create_file(dev, &dev_attr_resource);
+       if ((error = device_create_file(dev, &dev_attr_id)) ||
+           (error = device_create_file(dev, &dev_attr_ipl)) ||
+           (error = device_create_file(dev, &dev_attr_secid)) ||
+           (error = device_create_file(dev, &dev_attr_name)) ||
+           (error = device_create_file(dev, &dev_attr_resource)))
+               return error;
+
+       return 0;
 }
 

diff --git a/drivers/dio/dio.c b/drivers/dio/dio.c
index 07f274f853d95f5dc0cf8b671e989fca3a65742f..10c3c498358c0d27b0bbfa3c979f77f4841758be 100644 (file)
--- a/drivers/dio/dio.c
+++ b/drivers/dio/dio.c
@@ -173,6 +173,7 @@ static int __init dio_init(void)
        mm_segment_t fs;
        int i;
        struct dio_dev *dev;
+       int error;
 
        if (!MACH_IS_HP300)
                return 0;
@@ -182,7 +183,11 @@ static int __init dio_init(void)
        /* Initialize the DIO bus */ 
        INIT_LIST_HEAD(&dio_bus.devices);
        strcpy(dio_bus.dev.bus_id, "dio");
-       device_register(&dio_bus.dev);
+       error = device_register(&dio_bus.dev);
+       if (error) {
+               pr_err("DIO: Error registering dio_bus\n");
+               return error;
+       }
 
        /* Request all resources */
        dio_bus.num_resources = (hp300_model == HP_320 ? 1 : 2);
@@ -252,8 +257,15 @@ static int __init dio_init(void)
 
                if (scode >= DIOII_SCBASE)
                        iounmap(va);
-               device_register(&dev->dev);
-               dio_create_sysfs_dev_files(dev);
+               error = device_register(&dev->dev);
+               if (error) {
+                       pr_err("DIO: Error registering device %s\n",
+                              dev->name);
+                       continue;
+               }
+               error = dio_create_sysfs_dev_files(dev);
+               if (error)
+                       dev_err(&dev->dev, "Error creating sysfs files\n");
         }
        return 0;
 }

diff --git a/include/linux/dio.h b/include/linux/dio.h
index 1e65ebc2a3dbb5496d8ca6e82d091e25f9160ccd..b2dd31ca17101fede259112846789e48f9f42c9a 100644 (file)
--- a/include/linux/dio.h
+++ b/include/linux/dio.h
@@ -241,7 +241,7 @@ struct dio_driver {
 
 extern int dio_find(int deviceid);
 extern unsigned long dio_scodetophysaddr(int scode);
-extern void dio_create_sysfs_dev_files(struct dio_dev *);
+extern int dio_create_sysfs_dev_files(struct dio_dev *);
 
 /* New-style probing */
 extern int dio_register_driver(struct dio_driver *);