[PATCHv3, resend] powerpc: mm: radix_tlb: rearrange the if-else block

Michael Ellerman mpe at ellerman.id.au
Thu Aug 11 19:41:35 AEST 2022


Anders Roxell <anders.roxell at linaro.org> writes:
> Clang warns:
>
> arch/powerpc/mm/book3s64/radix_tlb.c:1191:23: error: variable 'hstart' is uninitialized when used here [-Werror,-Wuninitialized]
>                                 __tlbiel_va_range(hstart, hend, pid,
>                                                   ^~~~~~
> arch/powerpc/mm/book3s64/radix_tlb.c:1175:23: note: initialize the variable 'hstart' to silence this warning
>                 unsigned long hstart, hend;
>                                     ^
>                                      = 0
> arch/powerpc/mm/book3s64/radix_tlb.c:1191:31: error: variable 'hend' is uninitialized when used here [-Werror,-Wuninitialized]
>                                 __tlbiel_va_range(hstart, hend, pid,
>                                                           ^~~~
> arch/powerpc/mm/book3s64/radix_tlb.c:1175:29: note: initialize the variable 'hend' to silence this warning
>                 unsigned long hstart, hend;
>                                           ^
>                                            = 0
> 2 errors generated.

Which version & config are you building?

I don't see this warning in my test builds.

cheers


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