linux-kernel - [PATCH -next 02/26] sh: Use dma_zalloc

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Message-Id: <a2cbba7f6f113ab867a42069ada3d30faeb5e12a.1402863905.git.joe@perches.com>
Date:	Sun, 15 Jun 2014 13:37:31 -0700
From:	Joe Perches <joe@...ches.com>
To:	linux-kernel@...r.kernel.org
Cc:	linux-sh@...r.kernel.org
Subject: [PATCH -next 02/26] sh: Use dma_zalloc_coherent

Use the zeroing function instead of dma_alloc_coherent & memset(,0,)

Signed-off-by: Joe Perches <joe@...ches.com>
---
 arch/sh/mm/consistent.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c
index b81d9db..3d710da 100644
--- a/arch/sh/mm/consistent.c
+++ b/arch/sh/mm/consistent.c
@@ -143,14 +143,12 @@ int __init platform_resource_setup_memory(struct platform_device *pdev,
 	if (!memsize)
 		return 0;
 
-	buf = dma_alloc_coherent(NULL, memsize, &dma_handle, GFP_KERNEL);
+	buf = dma_zalloc_coherent(NULL, memsize, &dma_handle, GFP_KERNEL);
 	if (!buf) {
 		pr_warning("%s: unable to allocate memory\n", name);
 		return -ENOMEM;
 	}
 
-	memset(buf, 0, memsize);
-
 	r->flags = IORESOURCE_MEM;
 	r->start = dma_handle;
 	r->end = r->start + memsize - 1;
-- 
1.8.1.2.459.gbcd45b4.dirty

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