linux-kernel - [PATCH 1/4] [media] ds3000: Delete an error message for a failed memory allocation in two functions

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]

Date:   Wed, 30 Aug 2017 22:21:13 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-media@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Max Kellermann <max.kellermann@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH 1/4] [media] ds3000: Delete an error message for a failed
 memory allocation in two functions

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Wed, 30 Aug 2017 21:41:28 +0200

Omit an extra message for a memory allocation failure in these functions.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/media/dvb-frontends/ds3000.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/media/dvb-frontends/ds3000.c b/drivers/media/dvb-frontends/ds3000.c
index 0b17a45c5640..c2959a9695a7 100644
--- a/drivers/media/dvb-frontends/ds3000.c
+++ b/drivers/media/dvb-frontends/ds3000.c
@@ -280,7 +280,5 @@ static int ds3000_writeFW(struct ds3000_state *state, int reg,
-	if (buf == NULL) {
-		printk(KERN_ERR "Unable to kmalloc\n");
+	if (!buf)
 		return -ENOMEM;
-	}
 
 	*(buf) = reg;
 
@@ -845,7 +843,5 @@ struct dvb_frontend *ds3000_attach(const struct ds3000_config *config,
-	if (state == NULL) {
-		printk(KERN_ERR "Unable to kmalloc\n");
+	if (!state)
 		goto error2;
-	}
 
 	state->config = config;
 	state->i2c = i2c;
-- 
2.14.1