From: Josef 'Jeff' Sipek <jeff.sipek@dovecot.fi>
Date: Thu, 9 Nov 2017 15:36:02 +0000 (-0500)
Subject: lib: iostream_proxy_unref(NULL) should be a no-op
X-Git-Tag: 2.3.9~2393
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ba4cff31455b6dcb89c5d12cd4479b4da55c8596;p=thirdparty%2Fdovecot%2Fcore.git

lib: iostream_proxy_unref(NULL) should be a no-op
---

diff --git a/src/lib/iostream-proxy.c b/src/lib/iostream-proxy.c
index 2b51b741cb..2663420901 100644
--- a/src/lib/iostream-proxy.c
+++ b/src/lib/iostream-proxy.c
@@ -128,8 +128,12 @@ void iostream_proxy_ref(struct iostream_proxy *proxy)
 
 void iostream_proxy_unref(struct iostream_proxy **proxy_r)
 {
-	i_assert(proxy_r != NULL && *proxy_r != NULL);
-	struct iostream_proxy *proxy = *proxy_r;
+	struct iostream_proxy *proxy;
+
+	if (proxy_r == NULL || *proxy_r == NULL)
+		return;
+
+	proxy = *proxy_r;
 	*proxy_r = NULL;
 
 	i_assert(proxy->ref > 0);