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path: root/drivers/dio/dio.c
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Diffstat (limited to 'drivers/dio/dio.c')
-rw-r--r--drivers/dio/dio.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/dio/dio.c b/drivers/dio/dio.c
index 07f274f..10c3c49 100644
--- 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;
}