Initialize hkdf_label to NULL.

Needed for an upcoming diff adding a NULL check to CBB_finish().

ok jsing

1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libssl/tls13_key_schedule.c b/src/lib/libssl/tls13_key_schedule.c
index bb96cf3dd8..d88faab0b1 100644
--- a/src/lib/libssl/tls13_key_schedule.c
+++ b/src/lib/libssl/tls13_key_schedule.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tls13_key_schedule.c,v 1.14 2021/01/05 18:36:22 tb Exp $ */
+/* $OpenBSD: tls13_key_schedule.c,v 1.15 2022/07/07 17:09:45 tb Exp $ */
 /*
  * Copyright (c) 2018, Bob Beck <beck@openbsd.org>
  *
@@ -169,7 +169,7 @@ tls13_hkdf_expand_label_with_length(struct tls13_secret *out,
     const uint8_t *label, size_t label_len, const struct tls13_secret *context)
 {
         const char tls13_plabel[] = "tls13 ";
-        uint8_t *hkdf_label;
+        uint8_t *hkdf_label = NULL;
         size_t hkdf_label_len;
         CBB cbb, child;
         int ret;