1 files changed, 6 insertions, 0 deletions
diff --git a/src/pulse/volume.c b/src/pulse/volume.c
index e809ef9c..0ef02d98 100644
--- a/src/pulse/volume.c
+++ b/src/pulse/volume.c
@@ -233,11 +233,17 @@ pa_cvolume *pa_sw_cvolume_multiply(pa_cvolume *dest, const pa_cvolume *a, const
 }
 
 int pa_cvolume_valid(const pa_cvolume *v) {
+    unsigned c;
+
     pa_assert(v);
 
     if (v->channels <= 0 || v->channels > PA_CHANNELS_MAX)
         return 0;
 
+    for (c = 0; c < v->channels; c++)
+        if (v->values[c] == (pa_volume_t) -1)
+            return 0;
+
     return 1;
 }