commit 6fa36bad9f74154d4bf3be834ada93e04bf737e1
Author: Chris Billington <emulti@disroot.org>
Date:   Fri Nov 21 12:31:40 2025 +0800

    volume: avoid NULL dereference in onval() on sndio device switch

diff --git a/components/volume.c b/components/volume.c
index 6cec556..5a2bfb7 100644
--- a/components/volume.c
+++ b/components/volume.c
@@ -89,6 +89,8 @@
 			if (c->addr == addr)
 				break;
 		}
+		if (c == NULL)
+			return;
 		c->val = val;
 	}