Re: [PATCH] ppc: cpm2_pic of_node_get cleanup

From: Paul Mackerras
Date: Tue Jan 09 2007 - 00:33:02 EST


Mariusz Kozlowski writes:

> This patch removes redundant argument check for of_node_get().
>
> Signed-off-by: Mariusz Kozlowski <m.kozlowski@xxxxxxxxxx>
>
> arch/powerpc/sysdev/cpm2_pic.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff -upr linux-2.6.20-rc2-mm1-a/arch/powerpc/sysdev/cpm2_pic.c linux-2.6.20-rc2-mm1-b/arch/powerpc/sysdev/cpm2_pic.c
> --- linux-2.6.20-rc2-mm1-a/arch/powerpc/sysdev/cpm2_pic.c 2006-12-24 05:00:32.000000000 +0100
> +++ linux-2.6.20-rc2-mm1-b/arch/powerpc/sysdev/cpm2_pic.c 2007-01-02 02:04:25.000000000 +0100
> @@ -245,9 +245,7 @@ void cpm2_pic_init(struct device_node *n
> cpm2_intctl->ic_scprrl = 0x05309770;
>
> /* create a legacy host */
> - if (node)
> - cpm2_pic_node = of_node_get(node);
> -
> + cpm2_pic_node = of_node_get(node);

This is actually a semantic change, in that cpm2_pic_node always gets
assigned now, whereas previously it didn't if node == NULL. Are you
sure that is OK? If so, you need to add something to the patch
description explaining why it is OK.

Paul.
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