XkbGetKeyboard may return zero instead of a valid atom
in names->keycodes in some cases. XGetAtomName(dpy, 0)
results in BadAtom error and crashes qemu.
Signed-off-by: Alex Suykov <alex.suy...@gmail.com>
---
ui/sdl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/ui/sdl.c b/ui/sdl.c
index f6f711c..e74b892 100644
--- a/ui/sdl.c
+++ b/ui/sdl.c
@@ -269,7 +269,7 @@ static int check_for_evdev(void)
desc = XkbGetKeyboard(info.info.x11.display,
XkbGBN_AllComponentsMask,
XkbUseCoreKbd);
- if (desc && desc->names) {
+ if (desc && desc->names && desc->names->keycodes) {
keycodes = XGetAtomName(info.info.x11.display, desc->names->keycodes);
if (keycodes == NULL) {
fprintf(stderr, "could not lookup keycode name\n");
--
1.7.11.1
