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m68k: dio - Kill warn_unused_result warnings

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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>
This commit is contained in:
Geert Uytterhoeven 2008-12-30 14:16:41 +01:00
parent 639274d810
commit 2e4c77bea3
3 changed files with 26 additions and 10 deletions
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16
drivers/dio/dio-sysfs.c
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@ -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); 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; struct device *dev = &d->dev;
int error;
/* current configuration's attributes */ /* current configuration's attributes */
device_create_file(dev, &dev_attr_id); if ((error = device_create_file(dev, &dev_attr_id)) ||
device_create_file(dev, &dev_attr_ipl); (error = device_create_file(dev, &dev_attr_ipl)) ||
device_create_file(dev, &dev_attr_secid); (error = device_create_file(dev, &dev_attr_secid)) ||
device_create_file(dev, &dev_attr_name); (error = device_create_file(dev, &dev_attr_name)) ||
device_create_file(dev, &dev_attr_resource); (error = device_create_file(dev, &dev_attr_resource)))
return error;
return 0;
} }

18
drivers/dio/dio.c
View File

@ -173,6 +173,7 @@ static int __init dio_init(void)
mm_segment_t fs; mm_segment_t fs;
int i; int i;
struct dio_dev *dev; struct dio_dev *dev;
int error;
if (!MACH_IS_HP300) if (!MACH_IS_HP300)
return 0; return 0;
@ -182,7 +183,11 @@ static int __init dio_init(void)
/* Initialize the DIO bus */ /* Initialize the DIO bus */
INIT_LIST_HEAD(&dio_bus.devices); INIT_LIST_HEAD(&dio_bus.devices);
strcpy(dio_bus.dev.bus_id, "dio"); 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 */ /* Request all resources */
dio_bus.num_resources = (hp300_model == HP_320 ? 1 : 2); dio_bus.num_resources = (hp300_model == HP_320 ? 1 : 2);
@ -252,8 +257,15 @@ static int __init dio_init(void)
if (scode >= DIOII_SCBASE) if (scode >= DIOII_SCBASE)
iounmap(va); iounmap(va);
device_register(&dev->dev); error = device_register(&dev->dev);
dio_create_sysfs_dev_files(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; return 0;
} }

2
include/linux/dio.h
View File

@ -241,7 +241,7 @@ struct dio_driver {
extern int dio_find(int deviceid); extern int dio_find(int deviceid);
extern unsigned long dio_scodetophysaddr(int scode); 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 */ /* New-style probing */
extern int dio_register_driver(struct dio_driver *); extern int dio_register_driver(struct dio_driver *);