powerpc/mm/hash: Remove unnecessary do { }while(0) loop

[Michael Ellerman]

On Thu, 2018-08-09 at 13:36:42 UTC, "Aneesh Kumar K.V" wrote:
> Avoid coverity false warnings like
> 
> *** CID 187347:  Control flow issues  (UNREACHABLE)
> /arch/powerpc/mm/hash_native_64.c: 819 in native_flush_hash_range()
> 813        slot += hidx & _PTEIDX_GROUP_IX;
> 814        hptep = htab_address + slot;
> 815        want_v = hpte_encode_avpn(vpn, psize, ssize);
> 816        hpte_v = hpte_get_old_v(hptep);
> 817
> 818        if (!HPTE_V_COMPARE(hpte_v, want_v) || !(hpte_v & HPTE_V_VALID))
> >>>     CID 187347:  Control flow issues  (UNREACHABLE)
> 
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/f405b510c93eeb7390d0e2c6ef8d12

cheers