From 1f10ca4e4bb1d1181cf16d6998e71d2be1fb1b19 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 23 Jul 2008 16:50:16 +0200
Subject: [PATCH] don't break if we fail to resume access to an audio device

---
 src/pulsecore/sink.c   | 17 +++++++++++++----
 src/pulsecore/source.c | 17 +++++++++++++----
 2 files changed, 26 insertions(+), 8 deletions(-)

diff --git a/src/pulsecore/sink.c b/src/pulsecore/sink.c
index 7497103..4102f31 100644
--- a/src/pulsecore/sink.c
+++ b/src/pulsecore/sink.c
@@ -261,22 +261,31 @@ pa_sink* pa_sink_new(
 static int sink_set_state(pa_sink *s, pa_sink_state_t state) {
     int ret;
     pa_bool_t suspend_change;
+    pa_sink_state_t original_state;
 
     pa_assert(s);
 
     if (s->state == state)
         return 0;
 
+    original_state = s->state;
+
     suspend_change =
-        (s->state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(state)) ||
-        (PA_SINK_IS_OPENED(s->state) && state == PA_SINK_SUSPENDED);
+        (original_state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(state)) ||
+        (PA_SINK_IS_OPENED(original_state) && state == PA_SINK_SUSPENDED);
 
     if (s->set_state)
         if ((ret = s->set_state(s, state)) < 0)
-            return -1;
+            return ret;
 
     if (s->asyncmsgq)
-        pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) == 0);
+        if ((ret = pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL)) < 0) {
+
+            if (s->set_state)
+                s->set_state(s, original_state);
+
+            return ret;
+        }
 
     s->state = state;
 
diff --git a/src/pulsecore/source.c b/src/pulsecore/source.c
index e62c6c2..95007af 100644
--- a/src/pulsecore/source.c
+++ b/src/pulsecore/source.c
@@ -224,22 +224,31 @@ pa_source* pa_source_new(
 static int source_set_state(pa_source *s, pa_source_state_t state) {
     int ret;
     pa_bool_t suspend_change;
+    pa_source_state_t original_state;
 
     pa_assert(s);
 
     if (s->state == state)
         return 0;
 
+    original_state = s->state;
+
     suspend_change =
-        (s->state == PA_SOURCE_SUSPENDED && PA_SOURCE_IS_OPENED(state)) ||
-        (PA_SOURCE_IS_OPENED(s->state) && state == PA_SOURCE_SUSPENDED);
+        (original_state == PA_SOURCE_SUSPENDED && PA_SOURCE_IS_OPENED(state)) ||
+        (PA_SOURCE_IS_OPENED(original_state) && state == PA_SOURCE_SUSPENDED);
 
     if (s->set_state)
         if ((ret = s->set_state(s, state)) < 0)
-            return -1;
+            return ret;
 
     if (s->asyncmsgq)
-        pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) == 0);
+        if ((ret = pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL)) < 0) {
+
+            if (s->set_state)
+                s->set_state(s, original_state);
+
+            return ret;
+        }
 
     s->state = state;
 
-- 
2.7.4