From e30cc3a7bab1409191d3003475eed46500d4f95f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Antti=20Kaijanm=C3=A4ki?= <antti.kaijanmaki@canonical.com>
Date: Mon, 10 Oct 2011 14:18:23 +0300
Subject: Fix SIGABRT by validating sink and source indexes.   - closes:
 #850662

---
 src/pulseaudio-mgr.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/pulseaudio-mgr.c b/src/pulseaudio-mgr.c
index a31084a..1da8ce1 100644
--- a/src/pulseaudio-mgr.c
+++ b/src/pulseaudio-mgr.c
@@ -174,6 +174,10 @@ reconnect_to_pulse (gpointer user_data)
 void
 pm_update_volume (gint sink_index, pa_cvolume new_volume)
 {
+  // LP: #850662 
+  if (sink_index < 0){
+    return;
+  }
   pa_operation_unref (pa_context_set_sink_volume_by_index (pulse_context,
                                                            sink_index,
                                                            &new_volume,
@@ -192,6 +196,10 @@ pm_update_mute (gboolean update)
 void
 pm_update_mic_gain (gint source_index, pa_cvolume new_gain)
 {
+  // LP: #850662
+  if (source_index < 0){
+    return;
+  }
   pa_operation_unref (pa_context_set_source_volume_by_index (pulse_context,
                                                              source_index,
                                                              &new_gain,
@@ -202,6 +210,10 @@ pm_update_mic_gain (gint source_index, pa_cvolume new_gain)
 void
 pm_update_mic_mute (gint source_index, gint mute_update)
 {
+    // LP: #850662
+    if (source_index < 0){
+      return;
+    }
     pa_operation_unref (pa_context_set_source_mute_by_index (pulse_context,
                                                              source_index,
                                                              mute_update,
-- 
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