---

yaml
---
r: 66878
b: refs/heads/master
c: 20405c0
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 135900c182c321a4888ec496b014e6707272faca
+refs/heads/master: 20405c08412a4d89357870d7220f9fb1c458b286

trunk/include/linux/rfkill.h

@@ -52,6 +52,8 @@ enum rfkill_state {
  * @type: Radio type which the button controls, the value stored
  *	here should be a value from enum rfkill_type.
  * @state: State of the switch (on/off).
+ * @user_claim_unsupported: Whether the hardware supports exclusive
+ *	RF-kill control by userspace. Set this before registering.
  * @user_claim: Set when the switch is controlled exlusively by userspace.
  * @mutex: Guards switch state transitions
  * @data: Pointer to the RF button drivers private data which will be
@@ -69,6 +71,7 @@ struct rfkill {
 	enum rfkill_type type;
 
 	enum rfkill_state state;
+	bool user_claim_unsupported;
 	bool user_claim;
 
 	struct mutex mutex;

trunk/net/rfkill/rfkill.c

@@ -190,16 +190,21 @@ static ssize_t rfkill_claim_store(struct device *dev,
 	if (error)
 		return error;
 
+	if (rfkill->user_claim_unsupported) {
+		error = -EOPNOTSUPP;
+		goto out_unlock;
+	}
 	if (rfkill->user_claim != claim) {
 		if (!claim)
 			rfkill_toggle_radio(rfkill,
 					    rfkill_states[rfkill->type]);
 		rfkill->user_claim = claim;
 	}
 
+out_unlock:
 	mutex_unlock(&rfkill_mutex);
 
-	return count;
+	return error ? error : count;
 }
 
 static struct device_attribute rfkill_dev_attrs[] = {