From: Albert Herranz <albert_herranz@yahoo.es>
Date: Thu, 17 Dec 2009 08:33:41 +0000 (+0000)
Subject: powerpc/gamecube/wii: Fix off-by-one error in ugecon/usbgecko_udbg
X-Git-Tag: v2.6.33-rc2~25^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=698cd335a782561b79504d4e98c7df62b08e7abd;p=pandora-kernel.git

powerpc/gamecube/wii: Fix off-by-one error in ugecon/usbgecko_udbg

The retry logic in ug_putc() is broken.

If the TX fifo is not ready and the counter runs out it will have a
value of -1 and no transfer should be attempted. Also, a counter
with a value of 0 means that the TX fifo got ready in the last try
and the transfer should be attempted.

Reported-by: "Juha Leppanen" <juha_motorsportcom@luukku.com>
Signed-off-by: "Juha Leppanen" <juha_motorsportcom@luukku.com>
Signed-off-by: Albert Herranz <albert_herranz@yahoo.es>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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