From f72966589cb57d31235bab46816e6d9549079baa Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Mon, 10 Jan 2005 08:25:27 +0000
Subject: [PATCH] fix crashes when selecting an empty view

alsamixer would crash when a view without controls was selected
---
 alsamixer/alsamixer.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/alsamixer/alsamixer.c b/alsamixer/alsamixer.c
index 806bc11..369d2d3 100644
--- a/alsamixer/alsamixer.c
+++ b/alsamixer/alsamixer.c
@@ -1926,6 +1926,11 @@ mixer_iteration (void)
         mixer_view = mixer_view_saved = VIEW_PLAYBACK;
         mixer_changed_state=1;
         mixer_reinit ();
+        if (mixer_n_view_elems == 0) {
+          mixer_view = mixer_view_saved = VIEW_CAPTURE;
+          mixer_changed_state=1;
+          mixer_reinit ();
+        }
       } 
       key = 0;
       break;
@@ -1937,6 +1942,11 @@ mixer_iteration (void)
         mixer_view = mixer_view_saved = VIEW_CAPTURE;
         mixer_changed_state=1;
         mixer_reinit ();
+        if (mixer_n_view_elems == 0) {
+          mixer_view = mixer_view_saved = VIEW_PLAYBACK;
+          mixer_changed_state=1;
+          mixer_reinit ();
+        }
       } 
       key = 0;
       break;