From 7f9c33e515353ea91afc62341161fead19e78567 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Ilpo=20J=C3=A4rvinen?= <ilpo.jarvinen@helsinki.fi>
Date: Fri, 23 Nov 2007 19:10:56 +0800
Subject: [PATCH] [TCP] MTUprobe: Cleanup send queue check (no need to loop)
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The original code has striking complexity to perform a query
which can be reduced to a very simple compare.

FIN seqno may be included to write_seq but it should not make
any significant difference here compared to skb->len which was
used previously. One won't end up there with SYN still queued.

Use of write_seq check guarantees that there's a valid skb in
send_head so I removed the extra check.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Acked-by: John Heffner <jheffner@psc.edu>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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