From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Tue, 4 Nov 2014 17:55:16 +0000 (-0700)
Subject: staging: comedi: addi_apci_3120: fix cmd->convert_arg vaildation
X-Git-Tag: v3.19-rc1~66^2~263
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=38417cc46f50dcaf9d2f1e6bfd9ff0b3531a9eba;p=karo-tx-linux.git

staging: comedi: addi_apci_3120: fix cmd->convert_arg vaildation

Regardless of the cmd->scan_begin_src, the minimum cmd->convert_arg
value is 10000 (10us). Fix the validation in apci3120_ai_cmdtest().

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
index b6507427712c..3ee1ecd72406 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
@@ -118,13 +118,8 @@ static int apci3120_ai_cmdtest(struct comedi_device *dev,
 	if (cmd->scan_begin_src == TRIG_TIMER)	/* Test Delay timing */
 		err |= cfc_check_trigger_arg_min(&cmd->scan_begin_arg, 100000);
 
-	if (cmd->scan_begin_src == TRIG_TIMER) {
-		if (cmd->convert_arg)
-			err |= cfc_check_trigger_arg_min(&cmd->convert_arg,
-							 10000);
-	} else {
-		err |= cfc_check_trigger_arg_min(&cmd->convert_arg, 10000);
-	}
+	/* minimum conversion time per sample is 10us */
+	err |= cfc_check_trigger_arg_min(&cmd->convert_arg, 10000);
 
 	err |= cfc_check_trigger_arg_min(&cmd->chanlist_len, 1);
 	err |= cfc_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len);