diff --git a/[refs] b/[refs]
index 4c9a3b2e32e8..43ceab2eb95f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e245d4250d0326cfcf7c816a2081b6ab2ea810be
+refs/heads/master: 71dfc5fa5160bb73752f0731539404569a77faca
diff --git a/trunk/fs/nfs/idmap.c b/trunk/fs/nfs/idmap.c
index b7f348bb618b..ba3019f5934c 100644
--- a/trunk/fs/nfs/idmap.c
+++ b/trunk/fs/nfs/idmap.c
@@ -554,12 +554,16 @@ static int rpc_pipefs_event(struct notifier_block *nb, unsigned long event,
 	struct nfs_client *clp;
 	int error = 0;
 
+	if (!try_module_get(THIS_MODULE))
+		return 0;
+
 	while ((clp = nfs_get_client_for_event(sb->s_fs_info, event))) {
 		error = __rpc_pipefs_event(clp, event, sb);
 		nfs_put_client(clp);
 		if (error)
 			break;
 	}
+	module_put(THIS_MODULE);
 	return error;
 }