Fix invalid sink input treatment after module-loopback

When loading module-loopback, it may create a new sink
input replicating the original one, but with no client
attached. We don't want to re-pass this one through the
whole logic (with NULL sink, etc), so just consider it
legit.

Change-Id: I218c459e1685621c1f59e1d8722e0f1cff88d225
Signed-off-by: Manuel Bachmann <manuel.bachmann@iot.bzh>

1 files changed, 4 insertions, 0 deletions

diff --git a/discover.c b/discover.c
index e6e8243..eea6986 100644
--- a/discover.c
+++ b/discover.c
@@ -586,6 +586,10 @@ bool pa_discover_preroute_sink_input(struct userdata *u, pa_sink_input_new_data
 	pa_assert_se (nodeset = u->nodeset);
 	pa_assert_se (pl = data->proplist);
 
+	 /* is this a valid sink input ? */
+	if (!data->client)
+		return true;
+
 	 /* is there an existing matching node ? */
 	node = agl_node_get_from_data (u, agl_input, data);