linux-kernel - [PATCH] ASoC: compress: Delete error messages for a failed memory allocation in snd_soc_new

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-next>] [day] [month] [year] [list]

Message-ID: <f9abf5ea-0284-ba87-9f22-2111d8631dfa@users.sourceforge.net>
Date:   Thu, 10 Aug 2017 16:26:23 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     alsa-devel@...a-project.org, Jaroslav Kysela <perex@...ex.cz>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>, Takashi Iwai <tiwai@...e.com>,
        Vinod Koul <vinod.koul@...el.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH] ASoC: compress: Delete error messages for a failed memory
 allocation in snd_soc_new_compress()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Thu, 10 Aug 2017 16:21:34 +0200

Omit extra messages for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf
Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 sound/soc/soc-compress.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c
index 206f36bf43e8..6c867d50e036 100644
--- a/sound/soc/soc-compress.c
+++ b/sound/soc/soc-compress.c
@@ -764,15 +764,12 @@ int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
 		direction = SND_COMPRESS_CAPTURE;
 
 	compr = kzalloc(sizeof(*compr), GFP_KERNEL);
-	if (compr == NULL) {
-		snd_printk(KERN_ERR "Cannot allocate compr\n");
+	if (!compr)
 		return -ENOMEM;
-	}
 
 	compr->ops = devm_kzalloc(rtd->card->dev, sizeof(soc_compr_ops),
 				  GFP_KERNEL);
-	if (compr->ops == NULL) {
-		dev_err(rtd->card->dev, "Cannot allocate compressed ops\n");
+	if (!compr->ops) {
 		ret = -ENOMEM;
 		goto compr_err;
 	}
-- 
2.14.0