[PATCH] loopback: Fix crash on error during init

[frederic.dalleau@xxxxxxxxxxxxxxx (Frédéric Dalleau)]

If an error during pa__init() causes a jump to fail: u->asyncmsgq is not
initialized.
---
 src/modules/module-loopback.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/src/modules/module-loopback.c b/src/modules/module-loopback.c
index ba62453..0d65682 100644
--- a/src/modules/module-loopback.c
+++ b/src/modules/module-loopback.c
@@ -136,7 +136,8 @@ static void teardown(struct userdata *u) {
     pa_assert(u);
     pa_assert_ctl_context();
 
-    pa_asyncmsgq_flush(u->asyncmsgq, 0);
+    if (u->asyncmsgq)
+        pa_asyncmsgq_flush(u->asyncmsgq, 0);
 
     u->adjust_time = 0;
     if (u->time_event) {
-- 
1.7.5.4