From f6ec935142d8731627864e3a3d9e18f9aa73cac9 Mon Sep 17 00:00:00 2001
From: Stanislav Kinsbursky <skinsbursky@parallels.com>
Date: Sat, 28 Apr 2012 19:32:21 +0400
Subject: [PATCH] --- yaml --- r: 299905 b: refs/heads/master c:
 71dfc5fa5160bb73752f0731539404569a77faca h: refs/heads/master i:   299903:
 908d2c30f17fde642dd672c2bcce31baf9d1d0f0 v: v3

---
 [refs]               | 2 +-
 trunk/fs/nfs/idmap.c | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

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;
 }