state, context: allow passing NULL to *_unref()

[platform/upstream/libxkbcommon.git] / src / state.c

diff --git a/src/state.c b/src/state.c
index eaa1f10..48b2132 100644 (file)
--- a/src/state.c
+++ b/src/state.c
@@ -583,7 +583,7 @@ xkb_state_ref(struct xkb_state *state)
 XKB_EXPORT void
 xkb_state_unref(struct xkb_state *state)
 {
-    if (--state->refcnt > 0)
+    if (!state || --state->refcnt > 0)
         return;
 
     xkb_keymap_unref(state->keymap);