From: Rini van Zetten <redacted>
Date: Thu, 26 Feb 2009 09:56:58 +0100

This patch fixes a wrong check on num_txbdfree. It could lead to
num_txbdfree become nagative.  Result was that the gianfar stops
sending data.

Signed-off-by: Rini van Zetten <rini at arvoo dot nl

Please use rini@arvoo.nl in your signoffs, you cannot
hide on the inna-net.

-	if (nr_frags > priv->num_txbdfree) {
+	if ( (nr_frags+1) > priv->num_txbdfree) {

Please don't put a space between the parens there "( (", like
that.