From 2fcee2a380fc2da9fe470c9aefb53f3f6eac170a Mon Sep 17 00:00:00 2001
From: Vladislav Bolkhovitin <vst@vlnb.net>
Date: Wed, 17 Mar 2010 19:41:16 +0000
Subject: [PATCH] Fix for possible requirsive target_mutex taking

git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1554 d57e44dd-8a1f-0410-8b47-8ef2f437770f
---
 iscsi-scst/kernel/target.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/iscsi-scst/kernel/target.c b/iscsi-scst/kernel/target.c
index b72fbd9bd..807d83441 100644
--- a/iscsi-scst/kernel/target.c
+++ b/iscsi-scst/kernel/target.c
@@ -350,11 +350,11 @@ void target_del_all(void)
 		list_for_each_entry_safe(target, t, &target_list,
 					 target_list_entry) {
 			mutex_lock(&target->target_mutex);
+
 			if (!list_empty(&target->session_list)) {
 				target_del_all_sess(target,
 					ISCSI_CONN_ACTIVE_CLOSE |
 					ISCSI_CONN_DELETING);
-				mutex_unlock(&target->target_mutex);
 			} else if (!first) {
 				TRACE_MGMT_DBG("Deleting target %p", target);
 				list_del(&target->target_list_entry);
@@ -363,6 +363,8 @@ void target_del_all(void)
 				target_destroy(target);
 				continue;
 			}
+
+			mutex_unlock(&target->target_mutex);
 		}
 		mutex_unlock(&target_mgmt_mutex);
 		msleep(100);