From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Fri, 4 Apr 2008 19:08:02 +0000 (-0400)
Subject: NFSv4: Ensure we don't corrupt fl->fl_flags in nfs4_proc_unlck
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=536ff0f809b0f4d56e1c41e66768d330668e0a55;p=deliverable%2Flinux.git

NFSv4: Ensure we don't corrupt fl->fl_flags in nfs4_proc_unlck

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 9f2759da74eb..a1069325b876 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3263,6 +3263,7 @@ static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock *
 	struct nfs4_lock_state *lsp;
 	struct rpc_task *task;
 	int status = 0;
+	unsigned char fl_flags = request->fl_flags;
 
 	status = nfs4_set_lock_state(state, request);
 	/* Unlock _before_ we do the RPC call */
@@ -3286,6 +3287,7 @@ static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock *
 	status = nfs4_wait_for_completion_rpc_task(task);
 	rpc_put_task(task);
 out:
+	request->fl_flags = fl_flags;
 	return status;
 }