NFC: llcp: Reset RW, LTO, and MIU remote parameters when link goes down
This resets remote parameters in both local and socket llcp structures when the
link goes down. That way, nfc_llcp_getsockopt won't return values corresponding
to the previous link parameters.
Signed-off-by: Thierry Escande <thierry.escande@linux.intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c
index 79de8ba..83e788e 100644
--- a/net/nfc/llcp/llcp.c
+++ b/net/nfc/llcp/llcp.c
@@ -47,6 +47,12 @@
write_unlock(&l->lock);
}
+void nfc_llcp_socket_remote_param_init(struct nfc_llcp_sock *sock)
+{
+ sock->remote_rw = LLCP_DEFAULT_RW;
+ sock->remote_miu = LLCP_MAX_MIU + 1;
+}
+
static void nfc_llcp_socket_purge(struct nfc_llcp_sock *sock)
{
struct nfc_llcp_local *local = sock->local;
@@ -112,6 +118,7 @@
}
if (listen == true) {
+ nfc_llcp_socket_remote_param_init(llcp_sock);
bh_unlock_sock(sk);
continue;
}
@@ -123,6 +130,7 @@
*/
if (sk->sk_state == LLCP_BOUND && sk->sk_type == SOCK_DGRAM &&
listen == true) {
+ nfc_llcp_socket_remote_param_init(llcp_sock);
bh_unlock_sock(sk);
continue;
}
@@ -1522,6 +1530,9 @@
if (local == NULL)
return;
+ local->remote_miu = LLCP_DEFAULT_MIU;
+ local->remote_lto = LLCP_DEFAULT_LTO;
+
/* Close and purge all existing sockets */
nfc_llcp_socket_release(local, true, 0);
}