diff options
| author | htbegin | 2012-10-01 18:42:43 +0200 |
|---|---|---|
| committer | David S. Miller | 2012-10-03 04:34:21 +0200 |
| commit | ffb5ba90017505a19e238e986e6d33f09e4df765 (patch) | |
| tree | e73f8aae99d744457684be88e507704342a2424b /drivers/net | |
| parent | pch_gbe: Fix PTP dependencies. (diff) | |
| download | kernel-qcow2-linux-ffb5ba90017505a19e238e986e6d33f09e4df765.tar.gz kernel-qcow2-linux-ffb5ba90017505a19e238e986e6d33f09e4df765.tar.xz kernel-qcow2-linux-ffb5ba90017505a19e238e986e6d33f09e4df765.zip | |
net: ethernet: davinci_cpdma: decrease the desc count when cleaning up the remaining packets
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 <hotforest@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/ti/davinci_cpdma.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ti/davinci_cpdma.c b/drivers/net/ethernet/ti/davinci_cpdma.c index d15c888e9df8..49956730cd8d 100644 --- 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 *chan) 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 */ |