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bluez5: setting this->transport = NULL should block data thread

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Since the data thread accesses the spa_bt_transport, its destroy event
needs to sync with data thread to avoid races.

Also check transport is present in places that need it.
This commit is contained in:
Pauli Virtanen 2021-01-02 02:02:58 +02:00 • committed by Wim Taymans
parent a5e52c07b1
commit da2fa8a599
4 changed files with 61 additions and 4 deletions
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14
spa/plugins/bluez5/sco-source.c
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@ -1068,11 +1068,23 @@ static const struct spa_node_methods impl_node = {
.process = impl_node_process,
};
static int do_transport_destroy(struct spa_loop *loop,
bool async,
uint32_t seq,
const void *data,
size_t size,
void *user_data)
{
struct impl *this = user_data;
this->transport = NULL;
return 0;
}
static void transport_destroy(void *data)
{
struct impl *this = data;
spa_log_debug(this->log, "transport %p destroy", this->transport);
this->transport = NULL;
spa_loop_invoke(this->data_loop, do_transport_destroy, 0, NULL, 0, true, this);
}
static const struct spa_bt_transport_events transport_events = {