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 <ag...@suse.de>
---
console.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
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;
}
--
1.6.0.2
