linux-kernel - [PATCH 1/5] ARM: OMAP1: DMA: Improve a size determination in omap1_system_dma

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Date:   Thu, 1 Jun 2017 22:48:00 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Aaro Koskinen <aaro.koskinen@....fi>,
        Russell King <linux@...linux.org.uk>,
        Tony Lindgren <tony@...mide.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH 1/5] ARM: OMAP1: DMA: Improve a size determination in
 omap1_system_dma_init()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Thu, 1 Jun 2017 21:48:11 +0200

Replace the specification of a data structure by a pointer dereference
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 arch/arm/mach-omap1/dma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap1/dma.c b/arch/arm/mach-omap1/dma.c
index c821c1d5610e..823dba3dc033 100644
--- a/arch/arm/mach-omap1/dma.c
+++ b/arch/arm/mach-omap1/dma.c
@@ -339,5 +339,5 @@ static int __init omap1_system_dma_init(void)
 		goto exit_iounmap;
 	}
 
-	d = kzalloc(sizeof(struct omap_dma_dev_attr), GFP_KERNEL);
+	d = kzalloc(sizeof(*d), GFP_KERNEL);
 	if (!d) {
-- 
2.13.0