diff --git a/[refs] b/[refs]
index 838f38133da6..a2d88b70180f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: bec4d62ead8096e433d624d9339893f50badd992
+refs/heads/master: b8adde8ddec9ff62a21564fa8020b5463e70d4de
diff --git a/trunk/kernel/debug/kdb/kdb_io.c b/trunk/kernel/debug/kdb/kdb_io.c
index 4802eb5840e1..9b5f17da1c56 100644
--- a/trunk/kernel/debug/kdb/kdb_io.c
+++ b/trunk/kernel/debug/kdb/kdb_io.c
@@ -689,7 +689,7 @@ int vkdb_printf(const char *fmt, va_list ap)
 	if (!dbg_kdb_mode && kgdb_connected) {
 		gdbstub_msg_write(kdb_buffer, retlen);
 	} else {
-		if (!dbg_io_ops->is_console) {
+		if (dbg_io_ops && !dbg_io_ops->is_console) {
 			len = strlen(kdb_buffer);
 			cp = kdb_buffer;
 			while (len--) {