linux-kernel - [PATCH 5/7] drivers/regulator: Remove double test

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1283010066-20935-6-git-send-email-julia@diku.dk>
Date:	Sat, 28 Aug 2010 17:41:04 +0200
From:	Julia Lawall <julia@...u.dk>
To:	Liam Girdwood <lrg@...mlogic.co.uk>
Cc:	kernel-janitors@...r.kernel.org,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 5/7] drivers/regulator: Remove double test

The current code tests the gpio_vid0 field twice.  Test the gpio_vid1
fields in place of the second gpio_vid0 test.

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

// <smpl>
@expression@
expression E;
@@

(
* E
  || ... || E
|
* E
  && ... && E
)
// </smpl>

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

---
This is a guess as to what the code should be.

 drivers/regulator/max8952.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/regulator/max8952.c b/drivers/regulator/max8952.c
index f2af0b1..7bf63f4 100644
--- a/drivers/regulator/max8952.c
+++ b/drivers/regulator/max8952.c
@@ -139,7 +139,7 @@ static int max8952_set_voltage(struct regulator_dev *rdev,
 	u8 vid = -1, i;
 
 	if (!gpio_is_valid(max8952->pdata->gpio_vid0) ||
-			!gpio_is_valid(max8952->pdata->gpio_vid0)) {
+			!gpio_is_valid(max8952->pdata->gpio_vid1)) {
 		/* DVS not supported */
 		return -EPERM;
 	}

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/