diff options
| -rw-r--r-- | net/nfc/nci/core.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c index c3dfd4e13bd..9f17e8ec0ab 100644 --- a/net/nfc/nci/core.c +++ b/net/nfc/nci/core.c @@ -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)); |