fix crashes when selecting an empty view

alsamixer would crash when a view without controls was selected

diff --git a/alsamixer/alsamixer.c b/alsamixer/alsamixer.c
index 806bc1176456ae70405c111634e37d84fb3ae86c..369d2d3e08e0d43b009663422cd50b2b2ee4894b 100644 (file)
--- 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;