From 50d2bdb19734f9e9f21e63881a9b6c8db4cc0eb7 Mon Sep 17 00:00:00 2001
From: Weston Andros Adamson <dros@netapp.com>
Date: Thu, 1 Nov 2012 16:04:40 -0400
Subject: [PATCH] SUNRPC: remove BUG_ON from rpc_call_sync

Use WARN_ON_ONCE instead of calling BUG_ON and return -EINVAL when
RPC_TASK_ASYNC flag is passed to rpc_call_sync.

Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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