From b9a76f1d3c6da47b2fa115ff1c0de229e8d06f8f Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Mon, 5 Mar 2012 01:03:40 +0100 Subject: [PATCH] NFC: Clear LLCP SDPs whan MAC goes down Signed-off-by: Samuel Ortiz Signed-off-by: John W. Linville --- net/nfc/llcp/llcp.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c index 443407e964ca..577bcb92ea9b 100644 --- a/net/nfc/llcp/llcp.c +++ b/net/nfc/llcp/llcp.c @@ -97,6 +97,17 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local) mutex_unlock(&local->socket_lock); } +static void nfc_llcp_clear_sdp(struct nfc_llcp_local *local) +{ + mutex_lock(&local->sdp_lock); + + local->local_wks = 0; + local->local_sdp = 0; + local->local_sap = 0; + + mutex_unlock(&local->sdp_lock); +} + static void nfc_llcp_timeout_work(struct work_struct *work) { struct nfc_llcp_local *local = container_of(work, struct nfc_llcp_local, @@ -857,6 +868,8 @@ void nfc_llcp_mac_is_down(struct nfc_dev *dev) if (local == NULL) return; + nfc_llcp_clear_sdp(local); + /* Close and purge all existing sockets */ nfc_llcp_socket_release(local); }