| Message ID | 1349145763-6292-1-git-send-email-hotforest@gmail.com |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
From: Tao Hou <hotforest@gmail.com> Date: Tue, 2 Oct 2012 10:42:43 +0800 > 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> Applied, thanks. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/ethernet/ti/davinci_cpdma.c b/drivers/net/ethernet/ti/davinci_cpdma.c index d15c888..4995673 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 */
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> --- drivers/net/ethernet/ti/davinci_cpdma.c | 1 + 1 file changed, 1 insertion(+)