We should never have a cpuid greater that NR_CPUS. Compare with NR_CPUS
before creating the mapping between logical and physical CPU ids. This
is also mandatory as NR_CPUS check is removed from
riscv_of_processor_hartid.
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
found_boot_cpu = 1;
continue;
}
+ if (cpuid >= NR_CPUS) {
+ pr_warn("Invalid cpuid [%d] for hartid [%d]\n",
+ cpuid, hart);
+ break;
+ }
cpuid_to_hartid_map(cpuid) = hart;
set_cpu_possible(cpuid, true);