From 4cd8672ab3dbf26a3143136625ab41b8be3841c7 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Tue, 13 Nov 2012 17:57:56 -0700 Subject: [PATCH] staging: comedi: pcl812: use cfc_check_trigger_arg_*() helpers Use the new helpers in the step 3 tests of pcl812_ai_cmdtest(). Signed-off-by: H Hartley Sweeten Cc: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/pcl812.c | 58 +++++++------------------ 1 file changed, 15 insertions(+), 43 deletions(-) diff --git a/drivers/staging/comedi/drivers/pcl812.c b/drivers/staging/comedi/drivers/pcl812.c index d94c9dc78323..560930e6a8e9 100644 --- a/drivers/staging/comedi/drivers/pcl812.c +++ b/drivers/staging/comedi/drivers/pcl812.c @@ -565,53 +565,25 @@ static int pcl812_ai_cmdtest(struct comedi_device *dev, if (err) return 2; - /* step 3: make sure arguments are trivially compatible */ + /* Step 3: check if arguments are trivially valid */ - if (cmd->start_arg != 0) { - cmd->start_arg = 0; - err++; - } + err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0); + err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, 0); - if (cmd->scan_begin_arg != 0) { - cmd->scan_begin_arg = 0; - err++; - } + if (cmd->convert_src == TRIG_TIMER) + err |= cfc_check_trigger_arg_min(&cmd->convert_arg, + board->ai_ns_min); + else /* TRIG_EXT */ + err |= cfc_check_trigger_arg_is(&cmd->convert_arg, 0); - if (cmd->convert_src == TRIG_TIMER) { - if (cmd->convert_arg < board->ai_ns_min) { - cmd->convert_arg = board->ai_ns_min; - err++; - } - } else { /* TRIG_EXT */ - if (cmd->convert_arg != 0) { - cmd->convert_arg = 0; - err++; - } - } + err |= cfc_check_trigger_arg_min(&cmd->chanlist_len, 1); + err |= cfc_check_trigger_arg_max(&cmd->chanlist_len, MAX_CHANLIST_LEN); + err |= cfc_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len); - if (!cmd->chanlist_len) { - cmd->chanlist_len = 1; - err++; - } - if (cmd->chanlist_len > MAX_CHANLIST_LEN) { - cmd->chanlist_len = board->n_aichan; - err++; - } - if (cmd->scan_end_arg != cmd->chanlist_len) { - cmd->scan_end_arg = cmd->chanlist_len; - err++; - } - if (cmd->stop_src == TRIG_COUNT) { - if (!cmd->stop_arg) { - cmd->stop_arg = 1; - err++; - } - } else { /* TRIG_NONE */ - if (cmd->stop_arg != 0) { - cmd->stop_arg = 0; - err++; - } - } + if (cmd->stop_src == TRIG_COUNT) + err |= cfc_check_trigger_arg_min(&cmd->stop_arg, 1); + else /* TRIG_NONE */ + err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0); if (err) return 3; -- 2.20.1