From 2c35c9dd62ecef01cd04bd14e84772cb2ab9c8bf Mon Sep 17 00:00:00 2001
From: Cheng Renquan <crquan@gmail.com>
Date: Thu, 2 Apr 2009 19:55:27 +0100
Subject: [PATCH] --- yaml --- r: 140157 b: refs/heads/master c:
 5642b8a61a15436231adf27b2b1bd96901b623dd h: refs/heads/master i:   140155:
 ed398d7de115bf31a42e6dc3dd0710837f04bd45 v: v3

---
 [refs]                       |  2 +-
 trunk/drivers/md/dm-target.c | 20 +++-----------------
 2 files changed, 4 insertions(+), 18 deletions(-)

diff --git a/[refs] b/[refs]
index 28af6d7a9bc6..8fc37a0aaee1 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 35bf659b008e83e725dcd30f542e38461dbb867c
+refs/heads/master: 5642b8a61a15436231adf27b2b1bd96901b623dd
diff --git a/trunk/drivers/md/dm-target.c b/trunk/drivers/md/dm-target.c
index 7decf10006e4..db72c9497bb4 100644
--- a/trunk/drivers/md/dm-target.c
+++ b/trunk/drivers/md/dm-target.c
@@ -18,7 +18,6 @@ struct tt_internal {
 	struct target_type tt;
 
 	struct list_head list;
-	long use;
 };
 
 static LIST_HEAD(_targets);
@@ -44,12 +43,8 @@ static struct tt_internal *get_target_type(const char *name)
 	down_read(&_lock);
 
 	ti = __find_target_type(name);
-	if (ti) {
-		if ((ti->use == 0) && !try_module_get(ti->tt.module))
-			ti = NULL;
-		else
-			ti->use++;
-	}
+	if (ti && !try_module_get(ti->tt.module))
+		ti = NULL;
 
 	up_read(&_lock);
 	return ti;
@@ -77,10 +72,7 @@ void dm_put_target_type(struct target_type *t)
 	struct tt_internal *ti = (struct tt_internal *) t;
 
 	down_read(&_lock);
-	if (--ti->use == 0)
-		module_put(ti->tt.module);
-
-	BUG_ON(ti->use < 0);
+	module_put(ti->tt.module);
 	up_read(&_lock);
 
 	return;
@@ -140,12 +132,6 @@ void dm_unregister_target(struct target_type *t)
 		BUG();
 	}
 
-	if (ti->use) {
-		DMCRIT("Attempt to unregister target still in use: %s",
-		       t->name);
-		BUG();
-	}
-
 	list_del(&ti->list);
 	kfree(ti);