md-cluster: remove inappropriate try_module_get from join()

NeilBrown · NeilBrown · commit 18b9f67962eb · 2015-08-31T19:43:17.000+02:00
md_setup_cluster already calls try_module_get(), so this
try_module_get isn't needed.
Also, there is no matching module_put (except in error patch),
so this leaves an unbalanced module count.

Signed-off-by: NeilBrown &lt;neilb@suse.com&gt;
diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
@@ -687,9 +687,6 @@ static int join(struct mddev *mddev, int nodes)
 	int ret, ops_rv;
 	char str[64];
 
-	if (!try_module_get(THIS_MODULE))
-		return -ENOENT;
-
 	cinfo = kzalloc(sizeof(struct md_cluster_info), GFP_KERNEL);
 	if (!cinfo)
 		return -ENOMEM;
@@ -771,7 +768,6 @@ static int join(struct mddev *mddev, int nodes)
 		dlm_release_lockspace(cinfo->lockspace, 2);
 	mddev->cluster_info = NULL;
 	kfree(cinfo);
-	module_put(THIS_MODULE);
 	return ret;
 }
 
