linux-kernel - [PATCH 4/4] ALSA: emux: Delete two error messages for a failed memory allocation in snd_emux_create

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, 9 Aug 2017 10:04:46 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     alsa-devel@...a-project.org, Jaroslav Kysela <perex@...ex.cz>,
        Kees Cook <keescook@...omium.org>,
        Takashi Iwai <tiwai@...e.com>,
        Takashi Sakamoto <o-takashi@...amocchi.jp>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH 4/4] ALSA: emux: Delete two error messages for a failed memory
 allocation in snd_emux_create_port()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Wed, 9 Aug 2017 09:30:34 +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/synth/emux/emux_seq.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/sound/synth/emux/emux_seq.c b/sound/synth/emux/emux_seq.c
index fd6cbd439511..396c406d0f77 100644
--- a/sound/synth/emux/emux_seq.c
+++ b/sound/synth/emux/emux_seq.c
@@ -145,14 +145,12 @@ snd_emux_create_port(struct snd_emux *emu, char *name,
 
 	/* Allocate structures for this channel */
 	p = kzalloc(sizeof(*p), GFP_KERNEL);
-	if (!p) {
-		snd_printk(KERN_ERR "no memory\n");
+	if (!p)
 		return NULL;
-	}
+
 	p->chset.channels = kcalloc(max_channels, sizeof(*p->chset.channels),
 				    GFP_KERNEL);
 	if (!p->chset.channels) {
-		snd_printk(KERN_ERR "no memory\n");
 		kfree(p);
 		return NULL;
 	}
-- 
2.13.4