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module-avb: fix ACMP error responses sent with wrong message type

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In handle_connect_tx_command() and handle_disconnect_tx_command(),
AVB_PACKET_ACMP_SET_MESSAGE_TYPE() is called after the goto done
target. When find_stream() fails and jumps to done, the response
is sent with the original command message type (e.g., CONNECT_TX_COMMAND)
instead of the correct response type (CONNECT_TX_RESPONSE).

Also fix pending_destroy() which used < PENDING_CONTROLLER instead of
<= PENDING_CONTROLLER, skipping cleanup of pending controller requests
on shutdown.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Christian F.K. Schaller 2026-04-07 12:51:50 -04:00
parent e57ec894e5
commit a5c16955d7
1 changed files with 5 additions and 4 deletions
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9
src/modules/module-avb/acmp.c
View file

@ -82,7 +82,7 @@ static void pending_free(struct acmp *acmp, struct pending *p)
static void pending_destroy(struct acmp *acmp)
{
struct pending *p, *t;
for (uint32_t list_id = 0; list_id < PENDING_CONTROLLER; list_id++) {
for (uint32_t list_id = 0; list_id <= PENDING_CONTROLLER; list_id++) {
spa_list_for_each_safe(p, t, &acmp->pending[list_id], link) {
pending_free(acmp, p);
}
@ -174,13 +174,14 @@ static int handle_connect_tx_command(struct acmp *acmp, uint64_t now, const void
return 0;
memcpy(buf, m, len);
AVB_PACKET_ACMP_SET_MESSAGE_TYPE(reply, AVB_ACMP_MESSAGE_TYPE_CONNECT_TX_RESPONSE);
stream = find_stream(server, SPA_DIRECTION_OUTPUT, ntohs(reply->talker_unique_id));
if (stream == NULL) {
status = AVB_ACMP_STATUS_TALKER_NO_STREAM_INDEX;
goto done;
}
AVB_PACKET_ACMP_SET_MESSAGE_TYPE(reply, AVB_ACMP_MESSAGE_TYPE_CONNECT_TX_RESPONSE);
reply->stream_id = htobe64(stream->id);
stream_activate(stream, ntohs(reply->talker_unique_id), now);
@ -251,14 +252,14 @@ static int handle_disconnect_tx_command(struct acmp *acmp, uint64_t now, const v
return 0;
memcpy(buf, m, len);
AVB_PACKET_ACMP_SET_MESSAGE_TYPE(reply, AVB_ACMP_MESSAGE_TYPE_DISCONNECT_TX_RESPONSE);
stream = find_stream(server, SPA_DIRECTION_OUTPUT, ntohs(reply->talker_unique_id));
if (stream == NULL) {
status = AVB_ACMP_STATUS_TALKER_NO_STREAM_INDEX;
goto done;
}
AVB_PACKET_ACMP_SET_MESSAGE_TYPE(reply, AVB_ACMP_MESSAGE_TYPE_DISCONNECT_TX_RESPONSE);
stream_deactivate(stream, now);
done: