Hi Nick, I love your patch! Perhaps something to improve:
[auto build test WARNING on powerpc/next] [also build test WARNING on linus/master v5.10-rc4 next-20201116] [cannot apply to pmladek/for-next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Nick-Desaulniers/PPC-Fix-Wimplicit-fallthrough-for-clang/20201116-123803 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: x86_64-randconfig-m001-20201115 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> smatch warnings: lib/zstd/huf_compress.c:559 HUF_compress1X_usingCTable() warn: inconsistent indenting vim +559 lib/zstd/huf_compress.c 529 530 #define HUF_FLUSHBITS_1(stream) \ 531 if (sizeof((stream)->bitContainer) * 8 < HUF_TABLELOG_MAX * 2 + 7) \ 532 HUF_FLUSHBITS(stream) 533 534 #define HUF_FLUSHBITS_2(stream) \ 535 if (sizeof((stream)->bitContainer) * 8 < HUF_TABLELOG_MAX * 4 + 7) \ 536 HUF_FLUSHBITS(stream) 537 538 size_t HUF_compress1X_usingCTable(void *dst, size_t dstSize, const void *src, size_t srcSize, const HUF_CElt *CTable) 539 { 540 const BYTE *ip = (const BYTE *)src; 541 BYTE *const ostart = (BYTE *)dst; 542 BYTE *const oend = ostart + dstSize; 543 BYTE *op = ostart; 544 size_t n; 545 BIT_CStream_t bitC; 546 547 /* init */ 548 if (dstSize < 8) 549 return 0; /* not enough space to compress */ 550 { 551 size_t const initErr = BIT_initCStream(&bitC, op, oend - op); 552 if (HUF_isError(initErr)) 553 return 0; 554 } 555 556 n = srcSize & ~3; /* join to mod 4 */ 557 switch (srcSize & 3) { 558 case 3: HUF_encodeSymbol(&bitC, ip[n + 2], CTable); HUF_FLUSHBITS_2(&bitC); > 559 fallthrough; 560 case 2: HUF_encodeSymbol(&bitC, ip[n + 1], CTable); HUF_FLUSHBITS_1(&bitC); 561 fallthrough; 562 case 1: HUF_encodeSymbol(&bitC, ip[n + 0], CTable); HUF_FLUSHBITS(&bitC); 563 case 0: 564 default:; 565 } 566 567 for (; n > 0; n -= 4) { /* note : n&3==0 at this stage */ 568 HUF_encodeSymbol(&bitC, ip[n - 1], CTable); 569 HUF_FLUSHBITS_1(&bitC); 570 HUF_encodeSymbol(&bitC, ip[n - 2], CTable); 571 HUF_FLUSHBITS_2(&bitC); 572 HUF_encodeSymbol(&bitC, ip[n - 3], CTable); 573 HUF_FLUSHBITS_1(&bitC); 574 HUF_encodeSymbol(&bitC, ip[n - 4], CTable); 575 HUF_FLUSHBITS(&bitC); 576 } 577 578 return BIT_closeCStream(&bitC); 579 } 580 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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