dovecot-2.2: login-common: Fixed potential crash at client disco...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/5259f6320e52
changeset: 17442:5259f6320e52
user:      Timo Sirainen <tss at iki.fi>
date:      Mon Jun 09 13:41:59 2014 +0300
description:
login-common: Fixed potential crash at client disconnect.
Broken by recent change

diffstat:

 src/login-common/client-common.c |  3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diffs (13 lines):

diff -r 7129fe8bc260 -r 5259f6320e52 src/login-common/client-common.c
--- a/src/login-common/client-common.c	Mon Jun 09 12:14:42 2014 +0300
+++ b/src/login-common/client-common.c	Mon Jun 09 13:41:59 2014 +0300
@@ -172,7 +172,8 @@
 		last_client = client->prev;
 	DLLIST_REMOVE(&clients, client);
 
-	o_stream_uncork(client->output);
+	if (client->output != NULL)
+		o_stream_uncork(client->output);
 	if (!client->login_success && client->ssl_proxy != NULL)
 		ssl_proxy_destroy(client->ssl_proxy);
 	if (client->input != NULL)