From 8f942af9026f306e2eeca322b019e2c3c17d8000 Mon Sep 17 00:00:00 2001 From: Rafael Zalamena Date: Fri, 16 Jun 2017 11:08:43 -0300 Subject: [PATCH] lib: fix a possible NULL deference Silences a warning generated by clang. --- lib/openbsd-tree.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lib/openbsd-tree.c b/lib/openbsd-tree.c index 37762abc1f..9f17f2946a 100644 --- a/lib/openbsd-tree.c +++ b/lib/openbsd-tree.c @@ -222,6 +222,10 @@ rbe_remove_color(const struct rb_type *t, struct rb_tree *rbt, { struct rb_entry *tmp; + /* Silence clang possible NULL deference warning. */ + if (parent == NULL) + return; + while ((rbe == NULL || RBE_COLOR(rbe) == RB_BLACK) && rbe != RBH_ROOT(rbt)) { if (RBE_LEFT(parent) == rbe) { -- 2.39.5