[RFKILL]: Add support for hardware-only rfkill buttons

[powerpc.git] / net / rfkill / rfkill.c

diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c
index a8c5e0b..51d151c 100644 (file)
--- a/net/rfkill/rfkill.c
+++ b/net/rfkill/rfkill.c
@@ -190,6 +190,10 @@ 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,
@@ -197,9 +201,10 @@ static ssize_t rfkill_claim_store(struct device *dev,
                rfkill->user_claim = claim;
        }
 
+out_unlock:
        mutex_unlock(&rfkill_mutex);
 
-       return count;
+       return error ? error : count;
 }
 
 static struct device_attribute rfkill_dev_attrs[] = {