From fb21f7d0e60ce17fa8fbdcd4e981789cbc7bcd98 Mon Sep 17 00:00:00 2001
From: Aaron Thompson <dev@aaront.org>
Date: Fri, 3 Apr 2020 05:42:26 +0000
Subject: [PATCH] Fix a segfault when a PKCS#11 token is not found.

(cherry picked from commit 541d7bafe652c03b14cd9844bfeea371de161e5b)
---
 lib/isc/pk11.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/isc/pk11.c b/lib/isc/pk11.c
index ede9748977..7841c4957f 100644
--- a/lib/isc/pk11.c
+++ b/lib/isc/pk11.c
@@ -646,6 +646,9 @@ pk11_get_best_token(pk11_optype_t optype) {
 		token = best_eddsa_token;
 		break;
 	default:
+		break;
+	}
+	if (token == NULL) {
 		return (0);
 	}
 	return (token->slotid);