linux-kernel - [PATCH v2 1/2] Staging: comedi: range: tidy up comedi_check

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Message-Id: <1394089039-12408-1-git-send-email-knivey@botops.net>
Date:	Thu,  6 Mar 2014 01:57:18 -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 1/2] Staging: comedi: range: tidy up comedi_check_chanlist()

Refactor this function to remove an extra indent level

Signed-off-by: Fred Akers <knivey@...ops.net>
---
 drivers/staging/comedi/range.c | 39 +++++++++++++++++++--------------------
 1 file changed, 19 insertions(+), 20 deletions(-)

diff --git a/drivers/staging/comedi/range.c b/drivers/staging/comedi/range.c
index 46b3da6..c4bb13b 100644
--- a/drivers/staging/comedi/range.c
+++ b/drivers/staging/comedi/range.c
@@ -143,29 +143,28 @@ 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) {
-		for (i = 0; i < n; i++) {
-			chanspec = chanlist[i];
-			chan = CR_CHAN(chanspec);
-			if (s->range_table)
-				range_len = s->range_table->length;
-			else if (s->range_table_list && chan < s->n_chan)
-				range_len = s->range_table_list[chan]->length;
-			else
-				range_len = 0;
-			if (chan >= s->n_chan ||
-			    CR_RANGE(chanspec) >= range_len ||
-			    aref_invalid(s, chanspec)) {
-				dev_warn(dev->class_dev,
-					 "bad chanlist[%d]=0x%08x chan=%d range length=%d\n",
-					 i, chanspec, chan, range_len);
-				return -EINVAL;
-			}
-		}
-	} else {
+	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);
+		if (s->range_table)
+			range_len = s->range_table->length;
+		else if (s->range_table_list && chan < s->n_chan)
+			range_len = s->range_table_list[chan]->length;
+		else
+			range_len = 0;
+		if (chan >= s->n_chan ||
+		    CR_RANGE(chanspec) >= range_len ||
+		    aref_invalid(s, chanspec)) {
+			dev_warn(dev->class_dev,
+				 "bad chanlist[%d]=0x%08x chan=%d range length=%d\n",
+				 i, chanspec, chan, range_len);
+			return -EINVAL;
+		}
+	}
 	return 0;
 }
 EXPORT_SYMBOL_GPL(comedi_check_chanlist);
-- 
1.8.5.3

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