Hello Dave,

While I was investigating ARM support for CONFIG_SPARSEMEM, 
I noticed 
read_module_unwind_table in unwind_arm.c would call free(tbl->idx) twice 
if(!readmem(idx_start, KVADDR, tbl->idx, idx, size,
                "module unwind index table", RETURN_ON_ERROR))

I think you can remove free(tbl->idx) which just before "return FALSE".

Takuo
  

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