Re: [PATCH] ppc: cpm2_pic of_node_get cleanup

[Paul Mackerras <paulus@samba.org>]

Mariusz Kozlowski writes:

> 	This patch removes redundant argument check for of_node_get().
> 
> Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
> 
>  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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