This is a note to let you know that I've just added the patch titled
pxa168_eth: fix race in transmit path.
to the 2.6.39-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
pxa168_eth-fix-race-in-transmit-path.patch
and it can be found in the queue-2.6.39 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <sta...@kernel.org> know about it.
>From 384420409d9b5d4443940abace49363d26135412 Mon Sep 17 00:00:00 2001
From: Richard Cochran <richardcoch...@gmail.com>
Date: Sun, 19 Jun 2011 21:48:06 +0000
Subject: pxa168_eth: fix race in transmit path.
From: Richard Cochran <richardcoch...@gmail.com>
commit 384420409d9b5d4443940abace49363d26135412 upstream.
Because the socket buffer is freed in the completion interrupt, it is not
safe to access it after submitting it to the hardware.
Cc: Sachin Sanap <ssa...@marvell.com>
Cc: Zhangfei Gao <zg...@marvell.com>
Cc: Philip Rakity <prak...@marvell.com>
Signed-off-by: Richard Cochran <richard.coch...@omicron.at>
Acked-by: Eric Dumazet <eric.duma...@gmail.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gre...@suse.de>
---
drivers/net/pxa168_eth.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/pxa168_eth.c
+++ b/drivers/net/pxa168_eth.c
@@ -1273,7 +1273,7 @@ static int pxa168_eth_start_xmit(struct
wmb();
wrl(pep, SDMA_CMD, SDMA_CMD_TXDH | SDMA_CMD_ERD);
- stats->tx_bytes += skb->len;
+ stats->tx_bytes += length;
stats->tx_packets++;
dev->trans_start = jiffies;
if (pep->tx_ring_size - pep->tx_desc_count <= 1) {
Patches currently in stable-queue which might be from richardcoch...@gmail.com
are
queue-2.6.39/pxa168_eth-fix-race-in-transmit-path.patch
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