1 files changed, 20 insertions, 17 deletions

diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c
index 51d151c0e96..73d60a30712 100644
--- a/net/rfkill/rfkill.c
+++ b/net/rfkill/rfkill.c
@@ -27,6 +27,10 @@
 #include <linux/mutex.h>
 #include <linux/rfkill.h>
 
+/* Get declaration of rfkill_switch_all() to shut up sparse. */
+#include "rfkill-input.h"
+
+
 MODULE_AUTHOR("Ivo van Doorn <IvDoorn@gmail.com>");
 MODULE_VERSION("1.0");
 MODULE_DESCRIPTION("RF switch support");
@@ -276,21 +280,17 @@ static struct class rfkill_class = {
 
 static int rfkill_add_switch(struct rfkill *rfkill)
 {
-	int retval;
-
-	retval = mutex_lock_interruptible(&rfkill_mutex);
-	if (retval)
-		return retval;
+	int error;
 
-	retval = rfkill_toggle_radio(rfkill, rfkill_states[rfkill->type]);
-	if (retval)
-		goto out;
+	mutex_lock(&rfkill_mutex);
 
-	list_add_tail(&rfkill->node, &rfkill_list);
+	error = rfkill_toggle_radio(rfkill, rfkill_states[rfkill->type]);
+	if (!error)
+		list_add_tail(&rfkill->node, &rfkill_list);
 
- out:
 	mutex_unlock(&rfkill_mutex);
-	return retval;
+
+	return error;
 }
 
 static void rfkill_remove_switch(struct rfkill *rfkill)
@@ -387,20 +387,23 @@ int rfkill_register(struct rfkill *rfkill)
 
 	if (!rfkill->toggle_radio)
 		return -EINVAL;
+	if (rfkill->type >= RFKILL_TYPE_MAX)
+		return -EINVAL;
+
+	snprintf(dev->bus_id, sizeof(dev->bus_id),
+		 "rfkill%ld", (long)atomic_inc_return(&rfkill_no) - 1);
+
+	rfkill_led_trigger_register(rfkill);
 
 	error = rfkill_add_switch(rfkill);
 	if (error)
 		return error;
 
-	snprintf(dev->bus_id, sizeof(dev->bus_id),
-		 "rfkill%ld", (long)atomic_inc_return(&rfkill_no) - 1);
-
 	error = device_add(dev);
 	if (error) {
 		rfkill_remove_switch(rfkill);
 		return error;
 	}
-	rfkill_led_trigger_register(rfkill);
 
 	return 0;
 }
@@ -416,9 +419,9 @@ EXPORT_SYMBOL(rfkill_register);
  */
 void rfkill_unregister(struct rfkill *rfkill)
 {
-	rfkill_led_trigger_unregister(rfkill);
 	device_del(&rfkill->dev);
 	rfkill_remove_switch(rfkill);
+	rfkill_led_trigger_unregister(rfkill);
 	put_device(&rfkill->dev);
 }
 EXPORT_SYMBOL(rfkill_unregister);
@@ -448,5 +451,5 @@ static void __exit rfkill_exit(void)
 	class_unregister(&rfkill_class);
 }
 
-module_init(rfkill_init);
+subsys_initcall(rfkill_init);
 module_exit(rfkill_exit);