Re: [PATCH 3/3] powerpc/boot: Fix treeboot-akebono CPU node lookup check
From: IBM
Date: Thu Jul 09 2026 - 02:54:20 EST
Thorsten Blum <thorsten.blum@xxxxxxxxx> writes:
> fdt_node_offset_by_prop_value() returns a negative error code on
> failure - fix the check accordingly.
>
> Fixes: 2a2c74b2efcb ("IBM Akebono: Add the Akebono platform")
> Signed-off-by: Thorsten Blum <thorsten.blum@xxxxxxxxx>
Looks good to me. Please feel free to add:
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@xxxxxxxxx>
> ---
> arch/powerpc/boot/treeboot-akebono.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/boot/treeboot-akebono.c b/arch/powerpc/boot/treeboot-akebono.c
> index e3cc2599869c..1b529037480f 100644
> --- a/arch/powerpc/boot/treeboot-akebono.c
> +++ b/arch/powerpc/boot/treeboot-akebono.c
> @@ -146,7 +146,7 @@ void platform_init(char *userdata)
>
> node = fdt_node_offset_by_prop_value(_dtb_start, -1, "device_type",
> "cpu", sizeof("cpu"));
> - if (!node)
> + if (node < 0)
> fatal("Cannot find cpu node\n");
> timebase = fdt_getprop(_dtb_start, node, "timebase-frequency", &size);
> if (timebase && (size == 4))