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Message-ID: <202212241900.qp4rtcCs-lkp@intel.com>
Date: Sat, 24 Dec 2022 22:35:14 +0300
From: Dan Carpenter <error27@...il.com>
To: oe-kbuild@...ts.linux.dev, Nick Terrell <terrelln@...com>
Cc: lkp@...el.com, oe-kbuild-all@...ts.linux.dev,
linux-kernel@...r.kernel.org
Subject: lib/zstd/compress/huf_compress.c:460 HUF_getIndex() warn: the
'RANK_POSITION_LOG_BUCKETS_BEGIN' macro might need parens
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c
commit: 2aa14b1ab2c41a4fe41efae80d58bb77da91f19f zstd: import usptream v1.5.2
config: parisc-randconfig-m041-20221219
compiler: hppa-linux-gcc (GCC) 12.1.0
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Reported-by: Dan Carpenter <error27@...il.com>
smatch warnings:
lib/zstd/compress/huf_compress.c:460 HUF_getIndex() warn: the 'RANK_POSITION_LOG_BUCKETS_BEGIN' macro might need parens
lib/zstd/compress/huf_compress.c:460 HUF_getIndex() warn: the 'RANK_POSITION_LOG_BUCKETS_BEGIN' macro might need parens
lib/zstd/decompress/zstd_decompress_internal.h:206 ZSTD_DCtx_get_bmi2() warn: inconsistent indenting
lib/zstd/decompress/zstd_decompress_block.c:894 ZSTD_execSequenceEnd() warn: inconsistent indenting
lib/zstd/decompress/zstd_decompress_block.c:942 ZSTD_execSequenceEndSplitLitBuffer() warn: inconsistent indenting
lib/zstd/decompress/zstd_decompress_block.c:1009 ZSTD_execSequence() warn: inconsistent indenting
vim +/RANK_POSITION_LOG_BUCKETS_BEGIN +460 lib/zstd/compress/huf_compress.c
2aa14b1ab2c41a Nick Terrell 2022-10-17 457 static U32 HUF_getIndex(U32 const count) {
2aa14b1ab2c41a Nick Terrell 2022-10-17 458 return (count < RANK_POSITION_DISTINCT_COUNT_CUTOFF)
2aa14b1ab2c41a Nick Terrell 2022-10-17 459 ? count
2aa14b1ab2c41a Nick Terrell 2022-10-17 @460 : BIT_highbit32(count) + RANK_POSITION_LOG_BUCKETS_BEGIN;
This define looks like:
#define RANK_POSITION_LOG_BUCKETS_BEGIN (RANK_POSITION_TABLE_SIZE - 1) - RANK_POSITION_MAX_COUNT_LOG - 1 /* == 158 */
So it's a macro expansion issue but harmless.
2aa14b1ab2c41a Nick Terrell 2022-10-17 461 }
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