[PATCH 4/20] arch/arm/mach-davinci: Use kzalloc

[PATCH 4/20] arch/arm/mach-davinci: Use kzalloc

[Julia Lawall]

From: Julia Lawall <julia@diku.dk>

Use kzalloc rather than the combination of kmalloc and memset.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x,size,flags;
statement S;
@@

-x = kmalloc(size,flags);
+x = kzalloc(size,flags);
 if (x = NULL) S
-memset(x, 0, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>

---
 arch/arm/mach-davinci/dma.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff -u -p a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c
--- a/arch/arm/mach-davinci/dma.c
+++ b/arch/arm/mach-davinci/dma.c
@@ -1419,12 +1419,11 @@ static int __init edma_probe(struct plat
 			goto fail1;
 		}
 
-		edma_cc[j] = kmalloc(sizeof(struct edma), GFP_KERNEL);
+		edma_cc[j] = kzalloc(sizeof(struct edma), GFP_KERNEL);
 		if (!edma_cc[j]) {
 			status = -ENOMEM;
 			goto fail1;
 		}
-		memset(edma_cc[j], 0, sizeof(struct edma));
 
 		edma_cc[j]->num_channels = min_t(unsigned, info[j].n_channel,
 							EDMA_MAX_DMACH);

Re: [PATCH 4/20] arch/arm/mach-davinci: Use kzalloc

[Kevin Hilman]

Julia Lawall <julia@diku.dk> writes:

> From: Julia Lawall <julia@diku.dk>
>
> Use kzalloc rather than the combination of kmalloc and memset.
>
> The semantic patch that makes this change is as follows:
> (http://coccinelle.lip6.fr/)
>
> // <smpl>
> @@
> expression x,size,flags;
> statement S;
> @@
>
> -x = kmalloc(size,flags);
> +x = kzalloc(size,flags);
>  if (x = NULL) S
> -memset(x, 0, size);
> // </smpl>
>
> Signed-off-by: Julia Lawall <julia@diku.dk>

Acked-by: Kevin Hilman <khilman@deeprootsystems.com>