linux-hardening - [PATCH v2 2/4] ASoC: Intel: avs: ssm4567: Replace devm_kzalloc() with devm

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Message-Id: <20250317-sound-avs-kcalloc-v2-2-20e2a132b18f@ethancedwards.com>
Date: Mon, 17 Mar 2025 08:21:57 -0400
From: Ethan Carter Edwards <ethan@...ancedwards.com>
To: Cezary Rojewski <cezary.rojewski@...el.com>, 
 Liam Girdwood <liam.r.girdwood@...ux.intel.com>, 
 Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>, 
 Bard Liao <yung-chuan.liao@...ux.intel.com>, 
 Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>, 
 Kai Vehmanen <kai.vehmanen@...ux.intel.com>, 
 Pierre-Louis Bossart <pierre-louis.bossart@...ux.dev>, 
 Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>, 
 Takashi Iwai <tiwai@...e.com>
Cc: gustavoars@...nel.org, linux-sound@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org, 
 Ethan Carter Edwards <ethan@...ancedwards.com>
Subject: [PATCH v2 2/4] ASoC: Intel: avs: ssm4567: Replace devm_kzalloc()
 with devm_kcalloc()

Open coded arithmetic in allocator arguments is discouraged [1]. Helper
functions like kcalloc or, in this case, devm_kcalloc are preferred.

[1]: https://www.kernel.org/doc/html/latest/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments

Signed-off-by: Ethan Carter Edwards <ethan@...ancedwards.com>
---
 sound/soc/intel/avs/boards/ssm4567.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/intel/avs/boards/ssm4567.c b/sound/soc/intel/avs/boards/ssm4567.c
index c9d89bfe7178cd6acba0797c56e56462d7c41d8d..7667790d52739b98b97d2bc9fc9496da82affef1 100644
--- a/sound/soc/intel/avs/boards/ssm4567.c
+++ b/sound/soc/intel/avs/boards/ssm4567.c
@@ -97,7 +97,7 @@ static int avs_create_dai_link(struct device *dev, const char *platform_name, in
 	dl->name = devm_kasprintf(dev, GFP_KERNEL,
 				  AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
 	dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
-	dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs) * 2, GFP_KERNEL);
+	dl->codecs = devm_kcalloc(dev, 2, sizeof(*dl->codecs), GFP_KERNEL);
 	if (!dl->name || !dl->cpus || !dl->codecs)
 		return -ENOMEM;
 

-- 
2.48.1