Re: [PATCH] arm: Fix conversion to early_init_dt_scan() for non-DT platforms

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On 10/03/2013 07:50 AM, Mark Brown wrote:
> From: Mark Brown <broonie@xxxxxxxxxx>
> 
> Commit 67a964490bfd14 (arm: use early_init_dt_scan) in the OF tree in
> -next converts ARM to use early_init_dt_scan(), factoring out some common
> code. However it ignores the return value of the function meaning that on
> non-DT platforms the kernel fails to boot as it attempts to configure
> itself using DT.
> 
> Fix this by adding the appropriate return value check.

I have this fixed already in my tree. I had not pushed out my -next
branch with the fix, but have done so now.

Rob

> 
> Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
> ---
>  arch/arm/kernel/devtree.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
> index 04050f7..67f4ebe 100644
> --- a/arch/arm/kernel/devtree.c
> +++ b/arch/arm/kernel/devtree.c
> @@ -198,7 +198,8 @@ const struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys)
>  	if (!dt_phys)
>  		return NULL;
>  
> -	early_init_dt_scan(phys_to_virt(dt_phys));
> +	if (!early_init_dt_scan(phys_to_virt(dt_phys)))
> +		return NULL;
>  
>  	/* Search the mdescs for the 'best' compatible value match */
>  	dt_root = of_get_flat_dt_root();
> 

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