linux-kernel - [PATCH] spi: SPISG: Use devm_kcalloc() in aml_spisg_clk

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Message-Id: <20250819040239.434863-1-rongqianfeng@vivo.com>
Date: Tue, 19 Aug 2025 12:02:38 +0800
From: Qianfeng Rong <rongqianfeng@...o.com>
To: Sunny Luo <sunny.luo@...ogic.com>,
	Xianwei Zhao <xianwei.zhao@...ogic.com>,
	Mark Brown <broonie@...nel.org>,
	linux-amlogic@...ts.infradead.org,
	linux-spi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Qianfeng Rong <rongqianfeng@...o.com>
Subject: [PATCH] spi: SPISG: Use devm_kcalloc() in aml_spisg_clk_init()

Replace calls of devm_kzalloc() with devm_kcalloc() in aml_spisg_clk_init()
for safer memory allocation with built-in overflow protection, and replace
sizeof(struct clk_div_table) with sizeof(*tbl) to shorten the line.

Signed-off-by: Qianfeng Rong <rongqianfeng@...o.com>
---
 drivers/spi/spi-amlogic-spisg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-amlogic-spisg.c b/drivers/spi/spi-amlogic-spisg.c
index 2ab8bdf2a676..64244a0bd408 100644
--- a/drivers/spi/spi-amlogic-spisg.c
+++ b/drivers/spi/spi-amlogic-spisg.c
@@ -662,7 +662,7 @@ static int aml_spisg_clk_init(struct spisg_device *spisg, void __iomem *base)
 
 	clk_disable_unprepare(spisg->pclk);
 
-	tbl = devm_kzalloc(dev, sizeof(struct clk_div_table) * (DIV_NUM + 1), GFP_KERNEL);
+	tbl = devm_kcalloc(dev, (DIV_NUM + 1), sizeof(*tbl), GFP_KERNEL);
 	if (!tbl)
 		return -ENOMEM;
 
-- 
2.34.1