diff --git a/[refs] b/[refs]
index f0548cb2d688..30c0cb1acfb6 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 307192065c55dbc70159037c1e3006a9f761192b
+refs/heads/master: 783eaf4671a4f5a95102aedb5a45e1f8adab945c
diff --git a/trunk/sound/ppc/keywest.c b/trunk/sound/ppc/keywest.c
index 59482a4cd446..272ae38e9b18 100644
--- a/trunk/sound/ppc/keywest.c
+++ b/trunk/sound/ppc/keywest.c
@@ -117,6 +117,9 @@ int __init snd_pmac_tumbler_post_init(void)
 {
 	int err;
 	
+	if (!keywest_ctx || !keywest_ctx->client)
+		return -ENXIO;
+
 	if ((err = keywest_ctx->init_client(keywest_ctx)) < 0) {
 		snd_printk(KERN_ERR "tumbler: %i :cannot initialize the MCS\n", err);
 		return err;