linux-kernel - [PATCH] sky2: jumbo frame regression fix

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Message-ID: <20071002180209.47c350a3@freepuppy.rosehill>
Date:	Tue, 2 Oct 2007 18:02:09 -0700
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	pomac@...or.com, Jeff Garzik <jgarzik@...ox.com>
Cc:	Linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH] sky2: jumbo frame regression fix

Remove unneeded check that caused problems with jumbo frame sizes.
The check was recently added and is wrong.
When using jumbo frames the sky2 driver does fragmentation, so
rx_data_size is less than mtu.

Signed-off-by: Stephen Hemminger <shemminger@...ux-foundation.org>

--- a/drivers/net/sky2.c	2007-10-02 17:56:31.000000000 -0700
+++ b/drivers/net/sky2.c	2007-10-02 17:58:56.000000000 -0700
@@ -2163,9 +2163,6 @@ static struct sk_buff *sky2_receive(stru
 	sky2->rx_next = (sky2->rx_next + 1) % sky2->rx_pending;
 	prefetch(sky2->rx_ring + sky2->rx_next);
 
-	if (length < ETH_ZLEN || length > sky2->rx_data_size)
-		goto len_error;
-
 	/* This chip has hardware problems that generates bogus status.
 	 * So do only marginal checking and expect higher level protocols
 	 * to handle crap frames.
-
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