From: Aneesh Kumar K.V Date: Thu, 9 Aug 2018 13:36:42 +0000 (+0530) Subject: powerpc/mm/hash: Remove unnecessary do { } while(0) loop X-Git-Tag: v4.19~294^2~17 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f405b510c93eeb7390d0e2c6ef8d12af9a33021a;p=platform%2Fkernel%2Flinux-rpi.git powerpc/mm/hash: Remove unnecessary do { } while(0) loop 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 Signed-off-by: Michael Ellerman --- diff --git a/arch/powerpc/include/asm/book3s/64/hash-64k.h b/arch/powerpc/include/asm/book3s/64/hash-64k.h index c81793d..f82ee8a 100644 --- a/arch/powerpc/include/asm/book3s/64/hash-64k.h +++ b/arch/powerpc/include/asm/book3s/64/hash-64k.h @@ -137,10 +137,9 @@ extern bool __rpte_sub_valid(real_pte_t rpte, unsigned long index); shift = mmu_psize_defs[psize].shift; \ for (index = 0; vpn < __end; index++, \ vpn += (1L << (shift - VPN_SHIFT))) { \ - if (!__split || __rpte_sub_valid(rpte, index)) \ - do { + if (!__split || __rpte_sub_valid(rpte, index)) -#define pte_iterate_hashed_end() } while(0); } } while(0) +#define pte_iterate_hashed_end() } } while(0) #define pte_pagesize_index(mm, addr, pte) \ (((pte) & H_PAGE_COMBO)? MMU_PAGE_4K: MMU_PAGE_64K)