dovecot-2.2: lib-dns: Fixed busy looping when dns-client disconn...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/72b3b8c86222
changeset: 16863:72b3b8c86222
user:      Timo Sirainen <tss at iki.fi>
date:      Tue Oct 22 19:12:38 2013 +0300
description:
lib-dns: Fixed busy looping when dns-client disconnected.

diffstat:

 src/lib-dns/dns-lookup.c |  4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diffs (15 lines):

diff -r d23c8e97dc69 -r 72b3b8c86222 src/lib-dns/dns-lookup.c
--- a/src/lib-dns/dns-lookup.c	Tue Oct 22 15:36:07 2013 +0300
+++ b/src/lib-dns/dns-lookup.c	Tue Oct 22 19:12:38 2013 +0300
@@ -159,10 +159,8 @@
 			return;
 		}
 	}
-	if (ret == 0)
-		return;
 
-	if (lookup->result.error != NULL) {
+	if (ret != 0 && lookup->result.error != NULL) {
 		/* already got the error */
 	} else if (client->input->stream_errno != 0) {
 		dns_client_disconnect(client, t_strdup_printf(