From 18cf7f15d635ba9738e98b7eeb5ff50cfacbec0e Mon Sep 17 00:00:00 2001 From: Stephen Worley Date: Tue, 14 May 2019 14:36:48 -0700 Subject: [PATCH] zebra: Add NULL check before nhg_connected insert Add a check to make sure we allocated the nhg_connected before inserting into the RB tree. Signed-off-by: Stephen Worley --- zebra/zebra_nhg.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/zebra/zebra_nhg.c b/zebra/zebra_nhg.c index ebddeb3f95..a23af36b34 100644 --- a/zebra/zebra_nhg.c +++ b/zebra/zebra_nhg.c @@ -122,7 +122,8 @@ void nhg_connected_head_add(struct nhg_connected_head *head, new = nhg_connected_new(depend); - RB_INSERT(nhg_connected_head, head, new); + if (new) + RB_INSERT(nhg_connected_head, head, new); } unsigned int zebra_nhg_depends_count(const struct nhg_hash_entry *nhe)