renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2025-01-20 03:24:03 +08:00
Code

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

Browse Source 
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@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Aneesh Kumar K.V 2018-08-09 19:06:42 +05:30 committed by Michael Ellerman
parent e7e8184747
commit f405b510c9
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/powerpc/include/asm/book3s/64/hash-64k.h
View File

@ -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)