Hi Sven, [auto build test WARNING on linus/master] [also build test WARNING on v4.10-rc4 next-20170120] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Sven-Schmidt/Update-LZ4-compressor-module/20170121-231418 reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) include/linux/compiler.h:253:8: sparse: attribute 'no_sanitize_address': unknown attribute >> lib/lz4/lz4_decompress.c:521:21: sparse: incompatible types for operation (>) lib/lz4/lz4_decompress.c:521:21: left side has type unsigned long [usertype] *src_len lib/lz4/lz4_decompress.c:521:21: right side has type int vim +521 lib/lz4/lz4_decompress.c 505 return -1; 506 } 507 EXPORT_SYMBOL(lz4_decompress_unknownoutputsize); 508 509 int lz4_decompress(const unsigned char *src, size_t *src_len, 510 unsigned char *dest, size_t actual_dest_len) { 511 *src_len = LZ4_decompress_fast(src, dest, (int)actual_dest_len); 512 513 /* 514 * Prior lz4_decompress will return 515 * 0 for success and a negative result for error 516 * new LZ4_decompress_fast returns 517 * - the length of data read on success 518 * - and also a negative result on error 519 * meaning when result > 0, we just return 0 here 520 */ > 521 if (src_len > 0) 522 return 0; 523 else 524 return -1; 525 } 526 EXPORT_SYMBOL(lz4_decompress); 527 528 MODULE_LICENSE("Dual BSD/GPL"); 529 MODULE_DESCRIPTION("LZ4 decompressor"); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
