1 files changed, 31 insertions, 0 deletions
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index 8937664674fa..f1829f6ae9c5 100644
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -188,6 +188,37 @@ free_msg:
 	return -EMSGSIZE;
 }
 
+int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx)
+{
+	struct sk_buff *msg;
+	void *hdr;
+
+	msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+	if (!msg)
+		return -ENOMEM;
+
+	hdr = genlmsg_put(msg, 0, 0, &nfc_genl_family, 0,
+			  NFC_EVENT_TARGET_LOST);
+	if (!hdr)
+		goto free_msg;
+
+	if (nla_put_string(msg, NFC_ATTR_DEVICE_NAME, nfc_device_name(dev)) ||
+	    nla_put_u32(msg, NFC_ATTR_TARGET_INDEX, target_idx))
+		goto nla_put_failure;
+
+	genlmsg_end(msg, hdr);
+
+	genlmsg_multicast(msg, 0, nfc_genl_event_mcgrp.id, GFP_KERNEL);
+
+	return 0;
+
+nla_put_failure:
+	genlmsg_cancel(msg, hdr);
+free_msg:
+	nlmsg_free(msg);
+	return -EMSGSIZE;
+}
+
 int nfc_genl_device_added(struct nfc_dev *dev)
 {
 	struct sk_buff *msg;