[Qemu-trivial] [PATCH 1/1] qtest:Fix the bug about disabling vnc causes "make check" hang

[Kewei Yu <keweihk@gmail.com>]

When we disabling vnc from "./configure", the qemu can't use the vnc option.
So qtest can't use the "vnc -none ", otherwise "make check" will hang.

Signed-off-by: Kewei Yu <keweihk@gmail.com>
---
 tests/fdc-test.c |    4 ++++
 tests/ide-test.c |   11 ++++++++---
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/tests/fdc-test.c b/tests/fdc-test.c
index 38b5b17..80dbdfb 100644
--- a/tests/fdc-test.c
+++ b/tests/fdc-test.c
@@ -538,7 +538,11 @@ int main(int argc, char **argv)
     /* Run the tests */
     g_test_init(&argc, &argv, NULL);
 
+#ifdef CONFIG_VNC
     cmdline = g_strdup_printf("-vnc none ");
+#else
+    cmdline = NULL;
+#endif
 
     qtest_start(cmdline);
     qtest_irq_intercept_in(global_qtest, "ioapic");
diff --git a/tests/ide-test.c b/tests/ide-test.c
index d5cec5a..da9e8dd 100644
--- a/tests/ide-test.c
+++ b/tests/ide-test.c
@@ -377,10 +377,15 @@ static void test_bmdma_no_busmaster(void)
     assert_bit_clear(inb(IDE_BASE + reg_status), DF | ERR);
 }
 
+#ifdef CONFIG_VNC
+#define QTEST_VNC_PARAM    "-vnc none ";
+#else
+#define QTEST_VNC_PARAM
+#endif
 static void test_bmdma_setup(void)
 {
     ide_test_start(
-        "-vnc none "
+        QTEST_VNC_PARAM
         "-drive file=%s,if=ide,serial=%s,cache=writeback "
         "-global ide-hd.ver=%s",
         tmp_path, "testdisk", "version");
@@ -410,7 +415,7 @@ static void test_identify(void)
     int ret;
 
     ide_test_start(
-        "-vnc none "
+        QTEST_VNC_PARAM
         "-drive file=%s,if=ide,serial=%s,cache=writeback "
         "-global ide-hd.ver=%s",
         tmp_path, "testdisk", "version");
@@ -455,7 +460,7 @@ static void test_flush(void)
     uint8_t data;
 
     ide_test_start(
-        "-vnc none "
+        QTEST_VNC_PARAM
         "-drive file=blkdebug::%s,if=ide,cache=writeback",
         tmp_path);
 
-- 
1.7.1