From: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Date: Fri, 23 Nov 2007 11:10:56 +0000 (+0800)
Subject: [TCP] MTUprobe: Cleanup send queue check (no need to loop)
X-Git-Tag: v2.6.24-rc4~90^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7f9c33e515353ea91afc62341161fead19e78567;p=pandora-kernel.git

[TCP] MTUprobe: Cleanup send queue check (no need to loop)

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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