The calculation for the total number of bytes in the DMA transfer is incorrect. Fix it. Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx> Cc: Ian Abbott <abbotti@xxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/staging/comedi/drivers/pcl816.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/staging/comedi/drivers/pcl816.c b/drivers/staging/comedi/drivers/pcl816.c index 3742f5f..9c1b963 100644 --- a/drivers/staging/comedi/drivers/pcl816.c +++ b/drivers/staging/comedi/drivers/pcl816.c @@ -164,9 +164,7 @@ static void pcl816_ai_setup_dma(struct comedi_device *dev, bytes = devpriv->hwdmasize; if (cmd->stop_src == TRIG_COUNT) { /* how many */ - bytes = s->async->cmd.chanlist_len * - s->async->cmd.chanlist_len * - sizeof(short); + bytes = cmd->stop_arg * cmd->chanlist_len * sizeof(short); /* how many DMA pages we must fill */ devpriv->dma_runs_to_end = bytes / devpriv->hwdmasize; -- 1.9.2 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel