linux-kernel - [PATCH v2 2/2] Staging: comedi: range: remove unnecessary sanity check

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Date:	Thu,  6 Mar 2014 01:57:19 -0500
From:	Fred Akers <knivey@...ops.net>
To:	greg@...ah.com, abbotti@....co.uk, hsweeten@...ionengravers.com
Cc:	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	Fred Akers <knivey@...ops.net>
Subject: [PATCH v2 2/2] Staging: comedi: range: remove unnecessary sanity check

This check is unnecessary because range_table will always be
initialized to range_unknown by comedi_device_postconfig() for
drivers that do not initialize range_table or range_table_list

Signed-off-by: Fred Akers <knivey@...ops.net>
---
 drivers/staging/comedi/range.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/staging/comedi/range.c b/drivers/staging/comedi/range.c
index c4bb13b..b684954 100644
--- a/drivers/staging/comedi/range.c
+++ b/drivers/staging/comedi/range.c
@@ -143,10 +143,6 @@ int comedi_check_chanlist(struct comedi_subdevice *s, int n,
 	unsigned int chanspec;
 	int chan, range_len, i;
 
-	if (!s->range_table && !s->range_table_list) {
-		dev_err(dev->class_dev, "(bug) no range type list!\n");
-		return -EINVAL;
-	}
 	for (i = 0; i < n; i++) {
 		chanspec = chanlist[i];
 		chan = CR_CHAN(chanspec);
-- 
1.8.5.3

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