linux-kernel - [PATCH v2 20/32] mfd: sec: use sizeof(*var), not sizeof(struct type_of

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Message-Id: <20250328-s2mpg10-v2-20-b54dee33fb6b@linaro.org>
Date: Fri, 28 Mar 2025 13:29:06 +0000
From: André Draszik <andre.draszik@...aro.org>
To: Krzysztof Kozlowski <krzk@...nel.org>, Lee Jones <lee@...nel.org>, 
 Rob Herring <robh@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
 Sylwester Nawrocki <s.nawrocki@...sung.com>, 
 Chanwoo Choi <cw00.choi@...sung.com>, Alim Akhtar <alim.akhtar@...sung.com>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Russell King <linux@...linux.org.uk>, 
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, 
 Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc: Peter Griffin <peter.griffin@...aro.org>, 
 Tudor Ambarus <tudor.ambarus@...aro.org>, 
 Will McVicker <willmcvicker@...gle.com>, kernel-team@...roid.com, 
 linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-clk@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-rtc@...r.kernel.org, 
 André Draszik <andre.draszik@...aro.org>
Subject: [PATCH v2 20/32] mfd: sec: use sizeof(*var), not sizeof(struct
 type_of_var)

Using sizeof(*var) is generally preferred over using the size of its
open-coded type when allocating memory.

This helps avoiding bugs when the variable type changes but the memory
allocation isn't updated, and it simplifies renaming of the struct if
ever necessary.

No functional change.

Signed-off-by: André Draszik <andre.draszik@...aro.org>
---
 drivers/mfd/sec-common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/sec-common.c b/drivers/mfd/sec-common.c
index 55edeb0f73ff4643f23b9759b115658d3bf03e9a..e8e35f7d5f06b522a953e8f21603e6904401c983 100644
--- a/drivers/mfd/sec-common.c
+++ b/drivers/mfd/sec-common.c
@@ -163,7 +163,7 @@ int sec_pmic_probe(struct device *dev, int device_type, unsigned int irq,
 	struct sec_pmic_dev *sec_pmic;
 	int ret, num_sec_devs;
 
-	sec_pmic = devm_kzalloc(dev, sizeof(struct sec_pmic_dev), GFP_KERNEL);
+	sec_pmic = devm_kzalloc(dev, sizeof(*sec_pmic), GFP_KERNEL);
 	if (!sec_pmic)
 		return -ENOMEM;
 

-- 
2.49.0.472.ge94155a9ec-goog