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 9f2759d..a106932 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3263,6 +3263,7 @@
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 @@
status = nfs4_wait_for_completion_rpc_task(task);
rpc_put_task(task);
out:
+ request->fl_flags = fl_flags;
return status;
}