Don't crash X when the tablet wasn't found.

X would crash when switching to console if the acecad module was loaded but the tablet had not been configured.

Fix by properly freeing structures before returning NULL in PreInit()

1 files changed, 5 insertions, 1 deletions

diff --git a/src/acecad.c b/src/acecad.c
index 829261f..ec5f83e 100644
--- a/src/acecad.c
+++ b/src/acecad.c
@@ -488,8 +488,12 @@ SetupProc_fail:
         xf86CloseSerial (local->fd);
     if ((priv) && (priv->buffer))
         XisbFree (priv->buffer);
-    if (priv)
+    if (priv) {
         xfree (priv);
+	if (local)
+		local->private = NULL;
+    }
+    xf86DeleteInput(local, 0);
     return NULL;
 }