Fix crash on XkbSetMap

Some devices may not have keyboard information.

Fixes #574

1 files changed, 6 insertions, 0 deletions

diff --git a/xkb/xkb.c b/xkb/xkb.c
index 764079506..9bd45a34a 100644
--- a/xkb/xkb.c
+++ b/xkb/xkb.c
@@ -2383,6 +2383,9 @@ _XkbSetMapChecks(ClientPtr client, DeviceIntPtr dev, xkbSetMapReq * req,
     XkbSymMapPtr map;
     int i;
 
+    if (!dev->key)
+        return 0;
+
     xkbi = dev->key->xkbInfo;
     xkb = xkbi->desc;
 
@@ -2495,6 +2498,9 @@ _XkbSetMap(ClientPtr client, DeviceIntPtr dev, xkbSetMapReq * req, char *values)
     XkbSrvInfoPtr xkbi;
     XkbDescPtr xkb;
 
+    if (!dev->key)
+        return Success;
+
     xkbi = dev->key->xkbInfo;
     xkb = xkbi->desc;