diff -urN linux-devel-virgin/drivers/sound/dev_table.c linux/drivers/sound/dev_table.c
--- linux-devel-virgin/drivers/sound/dev_table.c	Mon Mar 13 12:29:00 2000
+++ linux/drivers/sound/dev_table.c	Wed Mar 15 20:16:54 2000
@@ -210,6 +210,7 @@
 	{
 		mixer_devs[dev] = NULL;
 		unregister_sound_mixer(dev<<4);
+		num_mixers--;
 	}
 }
 
diff -urN linux-devel-virgin/drivers/sound/sb_common.c linux/drivers/sound/sb_common.c
--- linux-devel-virgin/drivers/sound/sb_common.c	Wed Mar  8 11:37:48 2000
+++ linux/drivers/sound/sb_common.c	Wed Mar 15 20:16:54 2000
@@ -911,7 +911,7 @@
 			if (devc->irq > 0)
 				free_irq(devc->irq, devc);
 
-			sound_unload_mixerdev(devc->my_mixerdev);
+			sb_mixer_unload(devc);
 			/* We don't have to do this bit any more the UART401 is its own
 				master  -- Krzysztof Halasa */
 			/* But we have to do it, if UART401 is not detected */
diff -urN linux-devel-virgin/drivers/sound/sb_mixer.c linux/drivers/sound/sb_mixer.c
--- linux-devel-virgin/drivers/sound/sb_mixer.c	Mon Feb 28 07:18:20 2000
+++ linux/drivers/sound/sb_mixer.c	Wed Mar 15 20:16:54 2000
@@ -740,3 +740,9 @@
 	sb_mixer_reset(devc);
 	return 1;
 }
+
+int sb_mixer_unload(sb_devc * devc)
+{
+	sound_unload_mixerdev(devc->my_mixerdev);
+	sbmixnum--;
+}