From 1ae7856dd27d3cab5aa6942e253e96f27a0b3de1 Mon Sep 17 00:00:00 2001
From: Mike Brady <mikebrady@eircom.net>
Date: Tue, 5 Feb 2019 10:23:24 +0000
Subject: [PATCH] Stop a segmentation error if a bsackend has no help routine

---
 audio.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/audio.c b/audio.c
index 7d0f489f..a2c21287 100644
--- a/audio.c
+++ b/audio.c
@@ -112,8 +112,12 @@ void audio_ls_outputs(void) {
 
   for (out = outputs; *out; out++) {
     printf("\n");
-    printf("Options for output %s:\n", (*out)->name);
-    (*out)->help();
+    if ((*out)->help) {
+      printf("Options for output %s:\n", (*out)->name);
+      (*out)->help();
+    } else {
+      printf("No options for output %s:\n", (*out)->name);    
+    }
   }
 }