From: Stephan Bosch <stephan.bosch@open-xchange.com>
Date: Tue, 9 Feb 2021 22:44:42 +0000 (+0100)
Subject: lib-smtp: smtp-client-command - Make smtp_client_command_unref(NULL) a no-op.
X-Git-Tag: 2.3.15~301
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=09cd268754674ca3d609d00bbbd99eb03840d23a;p=thirdparty%2Fdovecot%2Fcore.git

lib-smtp: smtp-client-command - Make smtp_client_command_unref(NULL) a no-op.
---

diff --git a/src/lib-smtp/smtp-client-command.c b/src/lib-smtp/smtp-client-command.c
index 326e178362..014071c1ae 100644
--- a/src/lib-smtp/smtp-client-command.c
+++ b/src/lib-smtp/smtp-client-command.c
@@ -115,6 +115,12 @@ void smtp_client_command_ref(struct smtp_client_command *cmd)
 void smtp_client_command_unref(struct smtp_client_command **_cmd)
 {
 	struct smtp_client_command *cmd = *_cmd;
+
+	*_cmd = NULL;
+
+	if (cmd == NULL)
+		return;
+
 	struct smtp_client_connection *conn = cmd->conn;
 
 	i_assert(cmd->refcount > 0);