NFC: implicitly deactivate in nci_start_poll
[pandora-kernel.git] / net / nfc / nci / core.c
index c3dfd4e..9f17e8e 100644 (file)
@@ -361,8 +361,13 @@ static int nci_start_poll(struct nfc_dev *nfc_dev, __u32 protocols)
                return -EBUSY;
        }
 
+       if (ndev->target_active_prot) {
+               nfc_err("there is an active target");
+               return -EBUSY;
+       }
+
        if (test_bit(NCI_POLL_ACTIVE, &ndev->flags)) {
-               nfc_dbg("target already active, first deactivate...");
+               nfc_dbg("target is active, implicitly deactivate...");
 
                rc = nci_request(ndev, nci_rf_deactivate_req, 0,
                        msecs_to_jiffies(NCI_RF_DEACTIVATE_TIMEOUT));