From 372cd7dedfd1ea93a9ae8d9c282e910dc1b76773 Mon Sep 17 00:00:00 2001
From: Andy Grover <andy.grover@oracle.com>
Date: Wed, 3 Feb 2010 19:40:32 -0800
Subject: [PATCH] RDS: Do not set op_active in r_m_copy_from_user().

Do not allocate sgs for data for 0-length datagrams

Set data.op_active in rds_sendmsg() instead of
rds_message_copy_from_user().

Signed-off-by: Andy Grover <andy.grover@oracle.com>
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