From fb70d0fb41ac51d6d8e4a4de23b3cc72beae1329 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Mon, 1 Oct 2018 19:21:13 +0200
Subject: [PATCH] pki: Add NULL check in ssh_pki_key_ecdsa_name()

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
---
 src/pki.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/pki.c b/src/pki.c
index d5c13048..d420e792 100644
--- a/src/pki.c
+++ b/src/pki.c
@@ -91,10 +91,13 @@ enum ssh_keytypes_e pki_privatekey_type_from_string(const char *privkey) {
  */
 const char *ssh_pki_key_ecdsa_name(const ssh_key key)
 {
+    if (key == NULL) {
+        return NULL;
+    }
+
 #ifdef HAVE_ECC /* FIXME Better ECC check needed */
     return pki_key_ecdsa_nid_to_name(key->ecdsa_nid);
 #else
-    (void) key; /* unused */
     return NULL;
 #endif
 }