On 26.04.2017 14:19, Luiz Augusto von Dentz wrote:
From: Luiz Augusto von Dentz <[email protected]>

This detects if profile has already been called and we are waiting
the response.
---
  src/modules/bluetooth/backend-ofono.c | 19 ++++++++++++++++---
  1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/src/modules/bluetooth/backend-ofono.c 
b/src/modules/bluetooth/backend-ofono.c
index 3fbf153..a847ad0 100644
--- a/src/modules/bluetooth/backend-ofono.c
+++ b/src/modules/bluetooth/backend-ofono.c
@@ -65,6 +65,7 @@ struct hf_audio_card {
      char *remote_address;
      char *local_address;
+ bool connecting;
      int fd;
      uint8_t codec;
@@ -156,12 +157,22 @@ static int hf_audio_agent_transport_acquire(pa_bluetooth_transport *t, bool opti
      pa_assert(card);
if (!optional && card->fd < 0) {
-        DBusMessage *m;
+        DBusMessage *m, *r;
+        DBusError derr;
+ if (card->connecting)
+            return -1;
+
+        card->connecting = true;
+
+        dbus_error_init(&derr);
          pa_assert_se(m = dbus_message_new_method_call(t->owner, t->path, 
"org.ofono.HandsfreeAudioCard", "Connect"));
-        
pa_assert_se(dbus_connection_send(pa_dbus_connection_get(card->backend->connection),
 m, NULL));
+        r = 
dbus_connection_send_with_reply_and_block(pa_dbus_connection_get(card->backend->connection),
 m, -1, &derr);
+        if (!r)
+            return -1;
- return -1;
+        if (card->connecting)
+            return -1;
      }
/* The correct block size should take into account the SCO MTU from
@@ -535,6 +546,8 @@ static DBusMessage 
*hf_audio_agent_new_connection(DBusConnection *c, DBusMessage
card = pa_hashmap_get(backend->cards, path); + card->connecting = false;

Should card->connecting not be set to false immediately after entering
hf_audio_agent_new_connection()? If you set it here, the card will never
be able to connect again if the sender was wrong or
dbus_message_get_args() fails. Or do you expect there will be another
call to hf_audio_agent_new_connection() in these cases?

+
      if (!card || codec != HFP_AUDIO_CODEC_CVSD || card->transport->state == 
PA_BLUETOOTH_TRANSPORT_STATE_PLAYING) {
          pa_log_warn("New audio connection invalid arguments (path=%s fd=%d, 
codec=%d)", path, fd, codec);
          pa_assert_se(r = dbus_message_new_error(m, "org.ofono.Error.InvalidArguments", 
"Invalid arguments in method call"));


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