Message ID | 1306439782-25277-1-git-send-email-agraf@suse.de |
---|---|
State | New |
Headers | show |
diff --git a/console.c b/console.c index 871c1d4..9c6addf 100644 --- a/console.c +++ b/console.c @@ -180,7 +180,7 @@ void vga_hw_screen_dump(const char *filename) active_console = consoles[0]; /* There is currently no way of specifying which screen we want to dump, so always dump the first one. */ - if (consoles[0]->hw_screen_dump) + if (consoles[0] && consoles[0]->hw_screen_dump) consoles[0]->hw_screen_dump(consoles[0]->hw, filename); active_console = previous_active_console; }
When running -nographic and calling "screendump" on the monitor, qemu segfaults. Fix the invalid pointer dereference by checking for NULL. Signed-off-by: Alexander Graf <agraf@suse.de> --- console.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)