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[Qemu-devel] [PATCH] check for active_console before using it


From: Gerd Hoffmann
Subject: [Qemu-devel] [PATCH] check for active_console before using it
Date: Thu, 20 May 2010 15:23:06 +0200

Other vga_hw_* functions do the same.
Fixes a segmentation fault.  Trigger: boot with -nodefaults,
then connect via vnc.

Signed-off-by: Gerd Hoffmann <address@hidden>
---
 console.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/console.c b/console.c
index 7070b1b..4c42b28 100644
--- a/console.c
+++ b/console.c
@@ -167,7 +167,7 @@ void vga_hw_update(void)
 
 void vga_hw_invalidate(void)
 {
-    if (active_console->hw_invalidate)
+    if (active_console && active_console->hw_invalidate)
         active_console->hw_invalidate(active_console->hw);
 }
 
-- 
1.6.6.1




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