linux-kernel - [ 065/171] libceph: dont reset kvec in prepare_write

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Message-Id: <20121122004039.894277276@linuxfoundation.org>
Date:	Wed, 21 Nov 2012 16:40:11 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	alan@...rguk.ukuu.org.uk, Alex Elder <elder@...tank.com>,
	Sage Weil <sage@...tank.com>
Subject: [ 065/171] libceph: dont reset kvec in prepare_write_banner()

3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Elder <elder@...tank.com>

(cherry picked from commit d329156f16306449c273002486c28de3ddddfd89)

Move the kvec reset for a connection out of prepare_write_banner and
into its only caller.

Signed-off-by: Alex Elder <elder@...tank.com>
Reviewed-by: Sage Weil <sage@...tank.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 net/ceph/messenger.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -686,7 +686,6 @@ static int prepare_connect_authorizer(st
 static void prepare_write_banner(struct ceph_messenger *msgr,
 				 struct ceph_connection *con)
 {
-	ceph_con_out_kvec_reset(con);
 	ceph_con_out_kvec_add(con, strlen(CEPH_BANNER), CEPH_BANNER);
 	ceph_con_out_kvec_add(con, sizeof (msgr->my_enc_addr),
 					&msgr->my_enc_addr);
@@ -726,10 +725,9 @@ static int prepare_write_connect(struct
 	con->out_connect.protocol_version = cpu_to_le32(proto);
 	con->out_connect.flags = 0;
 
+	ceph_con_out_kvec_reset(con);
 	if (include_banner)
 		prepare_write_banner(msgr, con);
-	else
-		ceph_con_out_kvec_reset(con);
 	ceph_con_out_kvec_add(con, sizeof (con->out_connect), &con->out_connect);
 
 	con->out_more = 0;


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