linux-hardening - [PATCH v2 1/4] ASoC: Intel: avs: Replace devm_kzalloc() with devm

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Message-Id: <20250317-sound-avs-kcalloc-v2-1-20e2a132b18f@ethancedwards.com>
Date: Mon, 17 Mar 2025 08:21:56 -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 1/4] ASoC: Intel: avs: 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/pcm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/intel/avs/pcm.c b/sound/soc/intel/avs/pcm.c
index 4bfbcb5a5ae8aff5a981389e61afb3c72b07b15c..dac463390da135d7972808cb55e1c2866dd736c7 100644
--- a/sound/soc/intel/avs/pcm.c
+++ b/sound/soc/intel/avs/pcm.c
@@ -1380,7 +1380,7 @@ int avs_i2s_platform_register(struct avs_dev *adev, const char *name, unsigned l
 		for_each_set_bit(i, &port_mask, ssp_count)
 			cpu_count += hweight_long(tdms[i]);
 
-	cpus = devm_kzalloc(adev->dev, sizeof(*cpus) * cpu_count, GFP_KERNEL);
+	cpus = devm_kcalloc(adev->dev, cpu_count, sizeof(*cpus), GFP_KERNEL);
 	if (!cpus)
 		return -ENOMEM;
 

-- 
2.48.1