From: Mark Andrews <marka@isc.org>
Date: Thu, 28 Feb 2013 02:14:52 +0000 (+1100)
Subject: check the returns from isc_task_beginexclusive
X-Git-Tag: v9.10.0a1~463^2~1
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=3426bd337df23a83c1e9b45184600edfd056c667;p=thirdparty%2Fbind9.git

check the returns from isc_task_beginexclusive
---

diff --git a/lib/dns/adb.c b/lib/dns/adb.c
index 7e3eced0c01..c5aa29d67a4 100644
--- a/lib/dns/adb.c
+++ b/lib/dns/adb.c
@@ -539,7 +539,9 @@ grow_entries(isc_task_t *task, isc_event_t *ev) {
 
 	isc_event_free(&ev);
 
-	isc_task_beginexclusive(task);
+	result = isc_task_beginexclusive(task);
+	if (result != ISC_R_SUCCESS)
+		goto check_exit;
 
 	i = 0;
 	while (nbuckets[i] != 0 && adb->nentries >= nbuckets[i])
@@ -669,6 +671,7 @@ grow_entries(isc_task_t *task, isc_event_t *ev) {
  done:
 	isc_task_endexclusive(task);
 
+ check_exit:
 	LOCK(&adb->lock);
 	if (dec_adb_irefcnt(adb))
 		check_exit(adb);
@@ -693,7 +696,9 @@ grow_names(isc_task_t *task, isc_event_t *ev) {
 
 	isc_event_free(&ev);
 
-	isc_task_beginexclusive(task);
+	result = isc_task_beginexclusive(task);
+	if (result != ISC_R_SUCCESS)
+		goto check_exit;
 
 	i = 0;
 	while (nbuckets[i] != 0 && adb->nnames >= nbuckets[i])
@@ -819,6 +824,7 @@ grow_names(isc_task_t *task, isc_event_t *ev) {
  done:
 	isc_task_endexclusive(task);
 
+ check_exit:
 	LOCK(&adb->lock);
 	if (dec_adb_irefcnt(adb))
 		check_exit(adb);