qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
* [Qemu-devel] [PATCH] check for active_console before using it
@ 2010-05-18 19:45 Gerd Hoffmann
  0 siblings, 0 replies; 3+ messages in thread
From: Gerd Hoffmann @ 2010-05-18 19:45 UTC (permalink / raw)
  To: qemu-devel; +Cc: Gerd Hoffmann

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

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 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

^ permalink raw reply related	[flat|nested] 3+ messages in thread
* [Qemu-devel] [PATCH] check for active_console before using it
@ 2010-05-20 13:23 Gerd Hoffmann
  2010-06-01 18:28 ` Anthony Liguori
  0 siblings, 1 reply; 3+ messages in thread
From: Gerd Hoffmann @ 2010-05-20 13:23 UTC (permalink / raw)
  To: qemu-devel; +Cc: Gerd Hoffmann

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

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 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

^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2010-06-01 18:28 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2010-05-18 19:45 [Qemu-devel] [PATCH] check for active_console before using it Gerd Hoffmann
  -- strict thread matches above, loose matches on Subject: below --
2010-05-20 13:23 Gerd Hoffmann
2010-06-01 18:28 ` Anthony Liguori

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).