Do not return NoSuchExtension casted to pointer as an error.

Several functions were returning NoSuchExtension casted to a pointer in case of
an error. Often in parallel with returning NULL in case of another error. It is
undocumented and certainly wrong.

Signed-off-by: Michal Srb <msrb@suse.com>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/XGetMMap.c b/src/XGetMMap.c
index ce10c2d..246698c 100644
--- a/src/XGetMMap.c
+++ b/src/XGetMMap.c
@@ -73,7 +73,7 @@ XGetDeviceModifierMapping(
 
     LockDisplay(dpy);
     if (_XiCheckExtInit(dpy, XInput_Initial_Release, info) == -1)
-	return ((XModifierKeymap *) NoSuchExtension);
+        return NULL;
 
     GetReq(GetDeviceModifierMapping, req);
     req->reqType = info->codes->major_opcode;