linux-kernel - [PATCH] Re: [BUG KERNEL 2.6.20-rc1] ftp: get or put stops during file-transfer

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Date:	Tue, 9 Jan 2007 07:11:39 +0200
From:	Craig Schlenter <craig@...efountain.com>
To:	YOSHIFUJI Hideaki / 吉藤英明 
	<yoshfuji@...ux-ipv6.org>, davem@...emloft.net
Cc:	komurojun-mbn@...ty.com, bunk@...sta.de, jgarzik@...ox.com,
	viro@....linux.org.uk, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: [PATCH] Re: [BUG KERNEL 2.6.20-rc1] ftp: get or put stops during file-transfer

Hi Dave

YOSHIFUJI Hideaki / 吉藤英明 has suggested that I send the patch
below to fix the ftp stalls present in the current kernels.

All credit goes to Komuro <komurojun-mbn@...ty.com> for tracking
this down. The patch is untested but it looks *cough* obviously
correct.

Signed-off-by: Craig Schlenter <craig@...efountain.com>

Thank you!

--Craig

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index bf7a224..12de90a 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -648,7 +648,7 @@ static void tcp_v4_send_ack(struct tcp_timewait_sock *twsk,
 				   TCPOLEN_TIMESTAMP);
 		rep.opt[1] = htonl(tcp_time_stamp);
 		rep.opt[2] = htonl(ts);
-		arg.iov[0].iov_len = TCPOLEN_TSTAMP_ALIGNED;
+		arg.iov[0].iov_len += TCPOLEN_TSTAMP_ALIGNED;
 	}

 	/* Swap the send and the receive. */
-
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