From: H Hartley Sweeten Date: Wed, 14 Nov 2012 00:50:32 +0000 (-0700) Subject: staging: comedi: pcm_common: use cfc_check_trigger_arg_*() helpers X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c563065bb15177f88b346837331cbe77dbe43b40;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git staging: comedi: pcm_common: use cfc_check_trigger_arg_*() helpers Use the new helpers in the step 3 tests of comedi_pcm_cmdtest(). Signed-off-by: H Hartley Sweeten Cc: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/comedi/drivers/pcm_common.c b/drivers/staging/comedi/drivers/pcm_common.c index 85ee05ece9c8..8a718aea6f3c 100644 --- a/drivers/staging/comedi/drivers/pcm_common.c +++ b/drivers/staging/comedi/drivers/pcm_common.c @@ -29,41 +29,19 @@ int comedi_pcm_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 */ - /* cmd->start_src == TRIG_NOW || cmd->start_src == TRIG_INT */ - if (cmd->start_arg != 0) { - cmd->start_arg = 0; - err++; - } - - /* cmd->scan_begin_src == TRIG_EXT */ - if (cmd->scan_begin_arg != 0) { - cmd->scan_begin_arg = 0; - err++; - } - - /* cmd->convert_src == TRIG_NOW */ - if (cmd->convert_arg != 0) { - cmd->convert_arg = 0; - err++; - } - - /* cmd->scan_end_src == TRIG_COUNT */ - if (cmd->scan_end_arg != cmd->chanlist_len) { - cmd->scan_end_arg = cmd->chanlist_len; - err++; - } + err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0); + err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, 0); + err |= cfc_check_trigger_arg_is(&cmd->convert_arg, 0); + err |= cfc_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len); switch (cmd->stop_src) { case TRIG_COUNT: /* any count allowed */ break; case TRIG_NONE: - if (cmd->stop_arg != 0) { - cmd->stop_arg = 0; - err++; - } + err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0); break; default: break;