On Sun, Aug 30, 2020 at 4:01 PM Pekka Enberg <penb...@gmail.com> wrote: > > On Fri, Aug 28, 2020 at 10:09 AM Zong Li <zong...@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. >
oh yeah, it should check the pointer first here. Fix it in the next version, thanks. > > + > > + return this_leaf ? ret : 0; > > +} > > - Pekka