From d54d1699b7c1241a4cb0faa7bc390323fa8eee8f Mon Sep 17 00:00:00 2001
From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Fri, 16 Mar 2012 13:17:13 +0100
Subject: [PATCH] --- yaml --- r: 294663 b: refs/heads/master c:
 9fbe465efc76044dd87afe764db5464ae61aeabc h: refs/heads/master i:   294661:
 7297e82dcfbbd0492e3e0f1bdeeaa5c9597ce987   294659:
 8b344a63b508109cdc2665bbe892832bbbdb8cfe   294655:
 ea89e9ecf2eb54f4da1fcf3627d6280b50e88ff6 v: v3

---
 [refs]                       | 2 +-
 trunk/kernel/debug/gdbstub.c | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 196fea4a2311..e20d1eea5aed 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 639077fb69aec8112e5427210a83d0fb192969f0
+refs/heads/master: 9fbe465efc76044dd87afe764db5464ae61aeabc
diff --git a/trunk/kernel/debug/gdbstub.c b/trunk/kernel/debug/gdbstub.c
index c22d8c28ad84..5a155742ae96 100644
--- a/trunk/kernel/debug/gdbstub.c
+++ b/trunk/kernel/debug/gdbstub.c
@@ -1129,5 +1129,6 @@ void gdbstub_exit(int status)
 	dbg_io_ops->write_char(hex_asc_lo(checksum));
 
 	/* make sure the output is flushed, lest the bootloader clobber it */
-	dbg_io_ops->flush();
+	if (dbg_io_ops->flush)
+		dbg_io_ops->flush();
 }