From: htbegin Date: Mon, 1 Oct 2012 16:42:43 +0000 (+0000) Subject: net: ethernet: davinci_cpdma: decrease the desc count when cleaning up the remaining... X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ffb5ba90017505a19e238e986e6d33f09e4df765;p=linux-beck.git 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 Signed-off-by: David S. Miller --- 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 */