NFC: implicitly deactivate in nci_start_poll
When start_poll is called, and a target was implicitly activated,
we need to implicitly deactivate it.
On the other hand, when the target was activated by the user,
we should not deactivate it.
Signed-off-by: Ilan Elias <ilane@ti.com>
Acked-by: Lauro Ramos Venancio <lauro.venancio@openbossa.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index c3dfd4e..9f17e8e 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -361,8 +361,13 @@
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));
