linux-kernel - [PATCH 3/42] drivers/hwmon: Adjust confusing if indentation

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Message-ID: <Pine.LNX.4.64.1008052217240.31692@ask.diku.dk>
Date:	Thu, 5 Aug 2010 22:17:43 +0200 (CEST)
From:	Julia Lawall <julia@...u.dk>
To:	Rudolf Marek <r.marek@...embler.cz>, lm-sensors@...sensors.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [PATCH 3/42] drivers/hwmon: Adjust confusing if indentation

From: Julia Lawall <julia@...u.dk>

Move the if(err) statement after the if into the if branch indicated by its
indentation.  The preceding if(err) test implies that err cannot be nonzero
unless the if branch is taken.

The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r disable braces4@
position p1,p2;
statement S1,S2;
@@

(
if (...) { ... }
|
if (...) S1@p1 S2@p2
)

@script:python@
p1 << r.p1;
p2 << r.p2;
@@

if (p1[0].column == p2[0].column):
  cocci.print_main("branch",p1)
  cocci.print_secs("after",p2)
// </smpl>

Signed-off-by: Julia Lawall <julia@...u.dk>

---
 drivers/hwmon/k8temp.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/hwmon/k8temp.c b/drivers/hwmon/k8temp.c
index 8bdf80d..b9bb3e0 100644
--- a/drivers/hwmon/k8temp.c
+++ b/drivers/hwmon/k8temp.c
@@ -252,12 +252,13 @@ static int __devinit k8temp_probe(struct pci_dev *pdev,
 				   &sensor_dev_attr_temp3_input.dev_attr);
 		if (err)
 			goto exit_remove;
-		if (data->sensorsp & SEL_PLACE)
+		if (data->sensorsp & SEL_PLACE) {
 			err = device_create_file(&pdev->dev,
 					   &sensor_dev_attr_temp4_input.
 					   dev_attr);
 			if (err)
 				goto exit_remove;
+		}
 	}
 
 	err = device_create_file(&pdev->dev, &dev_attr_name);
--
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