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SubjectRe: [PATCH v3 3/3] riscv: Add cache information in AUX vector
On Fri, Aug 28, 2020 at 10:09 AM Zong Li <zong.li@sifive.com> wrote:
> +uintptr_t get_cache_geometry(u32 level, enum cache_type type)
> +{
> + struct cacheinfo *this_leaf = get_cacheinfo(level, type);
> + uintptr_t ret = (this_leaf->ways_of_associativity << 16 |
> + this_leaf->coherency_line_size);

You are dereferencing "this_leaf" without checking if it's NULL here.

> +
> + return this_leaf ? ret : 0;
> +}

- Pekka

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