From: Kees Cook
> Sent: 10 February 2022 23:47
...
> All that said, I think this patch could be improved.
>
> I'd recommend, instead, just simply:
>
> diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
> index f2f8f05662de..9e765d30da82 100644
> --- a/drivers/acpi/arm64/iort.c
> +++ b/drivers/acpi/arm64/iort.c
> @@ -1671,13 +1671,14 @@ phys_addr_t __init acpi_iort_dma_get_max_cpu_address(void)
> end = ACPI_ADD_PTR(struct acpi_iort_node, iort, iort->header.length);
>
> for (i = 0; i < iort->node_count; i++) {
> + struct acpi_iort_named_component *ncomp;
> + struct acpi_iort_root_complex *rc;
> + phys_addr_t local_limit;
> +
I'd move them right to the top of the function.
No point hiding the declarations in the middle.
David
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