linux-kernel - [PATCH 2/2] ASoC: cs35l34: Improve two size determinations in cs35l34_i2c

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: <044cfc92-158f-3bff-a2e6-4993a9070e13@users.sourceforge.net>
Date:   Wed, 22 Nov 2017 21:30:22 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     alsa-devel@...a-project.org,
        Brian Austin <brian.austin@...rus.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Paul Handrigan <Paul.Handrigan@...rus.com>,
        Takashi Iwai <tiwai@...e.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH 2/2] ASoC: cs35l34: Improve two size determinations in
 cs35l34_i2c_probe()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Wed, 22 Nov 2017 21:17:42 +0100

Replace the specification of two data structures by pointer dereferences
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 sound/soc/codecs/cs35l34.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/sound/soc/codecs/cs35l34.c b/sound/soc/codecs/cs35l34.c
index 6cbdbbe53940..0600d5264c4c 100644
--- a/sound/soc/codecs/cs35l34.c
+++ b/sound/soc/codecs/cs35l34.c
@@ -1004,9 +1004,7 @@ static int cs35l34_i2c_probe(struct i2c_client *i2c_client,
 	unsigned int devid = 0;
 	unsigned int reg;
 
-	cs35l34 = devm_kzalloc(&i2c_client->dev,
-			       sizeof(struct cs35l34_private),
-			       GFP_KERNEL);
+	cs35l34 = devm_kzalloc(&i2c_client->dev, sizeof(*cs35l34), GFP_KERNEL);
 	if (!cs35l34)
 		return -ENOMEM;
 
@@ -1042,9 +1040,8 @@ static int cs35l34_i2c_probe(struct i2c_client *i2c_client,
 	if (pdata) {
 		cs35l34->pdata = *pdata;
 	} else {
-		pdata = devm_kzalloc(&i2c_client->dev,
-				sizeof(struct cs35l34_platform_data),
-				GFP_KERNEL);
+		pdata = devm_kzalloc(&i2c_client->dev, sizeof(*pdata),
+				     GFP_KERNEL);
 		if (!pdata)
 			return -ENOMEM;
 
-- 
2.15.0