linux-kernel - [PATCH] divide by 3*sizeof(u32) when computing array

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Message-ID: <20210712231910.GA1831270@pc>
Date:   Tue, 13 Jul 2021 00:19:10 +0100
From:   Salah Triki <salah.triki@...il.com>
To:     fabrice.gasnier@...s.st.com, thierry.reding@...il.com,
        u.kleine-koenig@...gutronix.de, lee.jones@...aro.org,
        mcoquelin.stm32@...il.com, alexandre.torgue@...s.st.com
Cc:     linux-pwm@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] divide by 3*sizeof(u32) when computing array_size

Divide by 3*sizeof(u32) when computing array_size, since stm32_breakinput
has 3 fields of type u32.

Signed-off-by: Salah Triki <salah.triki@...il.com>
---
 drivers/pwm/pwm-stm32.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pwm/pwm-stm32.c b/drivers/pwm/pwm-stm32.c
index 794ca5b02968..fb21bc2b2dd6 100644
--- a/drivers/pwm/pwm-stm32.c
+++ b/drivers/pwm/pwm-stm32.c
@@ -544,7 +544,7 @@ static int stm32_pwm_probe_breakinputs(struct stm32_pwm *priv,
 		return -EINVAL;
 
 	priv->num_breakinputs = nb;
-	array_size = nb * sizeof(struct stm32_breakinput) / sizeof(u32);
+	array_size = nb * sizeof(struct stm32_breakinput) / (3 * sizeof(u32));
 	ret = of_property_read_u32_array(np, "st,breakinput",
 					 (u32 *)priv->breakinputs, array_size);
 	if (ret)
-- 
2.25.1