From: SF Markus Elfring <elfring@users.sourceforge.net>
To: alsa-devel@alsa-project.org, Jaroslav Kysela <perex@perex.cz>,
Kees Cook <keescook@chromium.org>, Takashi Iwai <tiwai@suse.com>,
Takashi Sakamoto <o-takashi@sakamocchi.jp>
Cc: kernel-janitors@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH 4/4] ALSA: emux: Delete two error messages for a failed memory allocation in snd_emux_create_
Date: Wed, 09 Aug 2017 08:04:46 +0000 [thread overview]
Message-ID: <ed0f8f37-928a-9996-5105-3b5794710954@users.sourceforge.net> (raw)
In-Reply-To: <412aa3a5-c8b6-c1fe-febb-0d62927dacc2@users.sourceforge.net>
From: Markus Elfring <elfring@users.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@users.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
next prev parent reply other threads:[~2017-08-09 8:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-09 8:00 [PATCH 0/4] ALSA: emux: Adjustments for four function implementations SF Markus Elfring
2017-08-09 8:01 ` [PATCH 1/4] ALSA: emux: Adjust one function call together with a variable assignment SF Markus Elfring
2017-08-09 8:02 ` [PATCH 2/4] ALSA: emux: Improve a size determination in two functions SF Markus Elfring
2017-08-09 8:03 ` [PATCH 3/4] ALSA: emux: Adjust four checks for null pointers SF Markus Elfring
2017-08-09 8:04 ` SF Markus Elfring [this message]
2017-08-10 15:55 ` [PATCH 0/4] ALSA: emux: Adjustments for four function implementations Takashi Iwai
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