diff --git a/[refs] b/[refs]
index c2ee2f739904..1988a8d63d50 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4ba99b97dadd35b9ce1438b2bc7c992a4a14a8b1
+refs/heads/master: 24da3dd53430ec07ce9110b1eaaad080c3c7ecf6
diff --git a/trunk/arch/powerpc/kernel/rtas.c b/trunk/arch/powerpc/kernel/rtas.c
index 17dc79198515..0f14c2e63a67 100644
--- a/trunk/arch/powerpc/kernel/rtas.c
+++ b/trunk/arch/powerpc/kernel/rtas.c
@@ -328,7 +328,7 @@ int rtas_call(int token, int nargs, int nret, int *outputs, ...)
 	char *buff_copy = NULL;
 	int ret;
 
-	if (token == RTAS_UNKNOWN_SERVICE)
+	if (!rtas.entry || token == RTAS_UNKNOWN_SERVICE)
 		return -1;
 
 	/* Gotta do something different here, use global lock for now... */