From: Leonardo Potenza <[email protected]>
Added a check for the class_register() return value.
Signed-off-by: Leonardo Potenza <[email protected]>
---
The aim of this patch is to remove the following warning message:
block/genhd.c: In function 'genhd_device_init':
block/genhd.c:361: warning: ignoring return value of 'class_register', declared with attribute warn_unused_result
--- linux-2.6.orig/block/genhd.c
+++ linux-2.6/block/genhd.c
@@ -358,7 +358,12 @@ static struct kobject *base_probe(dev_t
static int __init genhd_device_init(void)
{
- class_register(&block_class);
+ int ret;
+
+ ret = class_register(&block_class);
+ if (ret != 0)
+ return ret;
+
bdev_map = kobj_map_init(base_probe, &block_class_lock);
blk_dev_init();