[PATCH] dell_rbu: fix error check
platform_device_register_simple() returns error code as pointer when it
fails. The return value should be checked by IS_ERR().
Cc: Abhay Salunke <abhay_salunke@dell.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Matt Domsch <Matt_Domsch@dell.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/firmware/dell_rbu.c b/drivers/firmware/dell_rbu.c
index 08b1617..fc702e4 100644
--- a/drivers/firmware/dell_rbu.c
+++ b/drivers/firmware/dell_rbu.c
@@ -705,17 +705,16 @@
static int __init dcdrbu_init(void)
{
- int rc = 0;
+ int rc;
spin_lock_init(&rbu_data.lock);
init_packet_head();
- rbu_device =
- platform_device_register_simple("dell_rbu", -1, NULL, 0);
- if (!rbu_device) {
+ rbu_device = platform_device_register_simple("dell_rbu", -1, NULL, 0);
+ if (IS_ERR(rbu_device)) {
printk(KERN_ERR
"dell_rbu:%s:platform_device_register_simple "
"failed\n", __FUNCTION__);
- return -EIO;
+ return PTR_ERR(rbu_device);
}
rc = sysfs_create_bin_file(&rbu_device->dev.kobj, &rbu_data_attr);