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bluez5: protect against NULL transport

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The transport can be destroyed at any time, make sure we don't
crash when it does.
This commit is contained in:
Wim Taymans 2020-03-23 13:49:30 +01:00
parent 4c80656a7b
commit c4cf5e6629
4 changed files with 49 additions and 30 deletions
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10
spa/plugins/bluez5/a2dp-source.c
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@ -408,6 +408,10 @@ static void a2dp_on_ready_read(struct spa_source *source)
spa_log_error(this->log, "source is not an input, rmask=%d", source->rmask);
goto stop;
}
if (this->transport == NULL) {
spa_log_debug(this->log, "no transport, stop reading");
goto stop;
}
/* update the current pts */
spa_system_clock_gettime(this->data_system, CLOCK_MONOTONIC, &this->now);
@ -494,11 +498,10 @@ static int do_start(struct impl *this)
if (this->started)
return 0;
if (this->transport == NULL)
return -EIO;
spa_log_debug(this->log, NAME" %p: start", this);
spa_return_val_if_fail(this->transport != NULL, -EIO);
if (this->transport->state >= SPA_BT_TRANSPORT_STATE_PENDING)
res = transport_start(this);
@ -693,7 +696,6 @@ impl_node_port_enum_params(void *object, int seq,
case SPA_PARAM_EnumFormat:
if (result.index > 0)
return 0;
if (this->transport == NULL)
return -EIO;