commit 4282c8277013dc5613b8f27845f6121b66b7cbff
author Don Koch <dkoch@verizon.com> Tue Nov 19 15:01:59 2013 -0500
committer Michael Tokarev <mjt@tls.msk.ru> Mon Dec 02 21:09:04 2013 +0400
tree e4b69091cfe8360c38aa42efcc050b1654b08750
parent efbc42e5848bb8000bfa6927847f1870850942ba

Don't crash on keyboard input with no handler

Prevent a call to put_kbd if null.

On shutdown of some OSes, the keyboard handler goes away before the
system is down. If a key is typed during this window, qemu crashes.

Signed-off-by: Don Koch <dkoch@verizon.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

ui/input.c

diff --git a/ui/input.c b/ui/input.c
index 10d8c05..1c70f60 100644
--- a/ui/input.c
+++ b/ui/input.c
@@ -414,7 +414,7 @@
     if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
         return;
     }
-    if (entry) {
+    if (entry && entry->put_kbd) {
         entry->put_kbd(entry->opaque, keycode);
     }
 }