This is a note to let you know that I've just added the patch titled
net: ethernet: davinci_cpdma: decrease the desc count when cleaning up the
remaining packets
to the 3.6-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:
net-ethernet-davinci_cpdma-decrease-the-desc-count-when-cleaning-up-the-remaining-packets.patch
and it can be found in the queue-3.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From dccdd11a3449d39d0e3fdf376f13cf2eabab41b8 Mon Sep 17 00:00:00 2001
From: Tao Hou <[email protected]>
Date: Mon, 1 Oct 2012 16:42:43 +0000
Subject: net: ethernet: davinci_cpdma: decrease the desc count when cleaning up
the remaining packets
From: Tao Hou <[email protected]>
[ Upstream commit ffb5ba90017505a19e238e986e6d33f09e4df765 ]
chan->count is used by rx channel. If the desc count is not updated by
the clean up loop in cpdma_chan_stop, the value written to the rxfree
register in cpdma_chan_start will be incorrect.
Signed-off-by: Tao Hou <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/ethernet/ti/davinci_cpdma.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/net/ethernet/ti/davinci_cpdma.c
+++ b/drivers/net/ethernet/ti/davinci_cpdma.c
@@ -863,6 +863,7 @@ int cpdma_chan_stop(struct cpdma_chan *c
next_dma = desc_read(desc, hw_next);
chan->head = desc_from_phys(pool, next_dma);
+ chan->count--;
chan->stats.teardown_dequeue++;
/* issue callback without locks held */
Patches currently in stable-queue which might be from [email protected] are
queue-3.6/net-ethernet-davinci_cpdma-decrease-the-desc-count-when-cleaning-up-the-remaining-packets.patch
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