Registering the switch triggers a LED event, so we must register
LED triggers before the switch.
This has a potential to fix a crash, depending on how the device
driver initializes the rfkill data structure.
Signed-off-by: Michael Buesch <mb@xxxxxxxxx>
Index: wireless-2.6/net/rfkill/rfkill.c
===================================================================
--- wireless-2.6.orig/net/rfkill/rfkill.c 2007-10-27 13:28:33.000000000 +0200
+++ wireless-2.6/net/rfkill/rfkill.c 2007-10-28 12:57:12.000000000 +0100
@@ -388,19 +388,20 @@ int rfkill_register(struct rfkill *rfkil
if (!rfkill->toggle_radio)
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 +417,9 @@ 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);
-
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