Hi Sasikumar, [auto build test WARNING on scsi/for-next] [also build test WARNING on next-20161223] [cannot apply to v4.9] [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/Sasikumar-Chandrasekaran/megaraid_sas-Updates-for-scsi-next/20161223-103256 base: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next config: x86_64-randconfig-ne0-12231250 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): In file included from include/linux/linkage.h:4:0, from include/linux/kernel.h:6, from drivers/scsi/megaraid/megaraid_sas_fusion.c:34: drivers/scsi/megaraid/megaraid_sas_fusion.c: In function 'megasas_stream_detect': include/linux/compiler.h:149:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^ include/linux/compiler.h:147:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ >> drivers/scsi/megaraid/megaraid_sas_fusion.c:1744:3: note: in expansion of >> macro 'if' if ((io_info->ldStartBlock != current_sd->next_seq_lba) ^~ drivers/scsi/megaraid/megaraid_sas_fusion.c:1751:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' cmd->io_request->RaidContext.raid_context_g35.stream_detected = true; ^~~ vim +/if +1744 drivers/scsi/megaraid/megaraid_sas_fusion.c 1728 struct STREAM_DETECT *current_sd; 1729 /* find possible stream */ 1730 for (i = 0; i < MAX_STREAMS_TRACKED; ++i) { 1731 stream_num = 1732 (*track_stream >> (i * BITS_PER_INDEX_STREAM)) & 1733 STREAM_MASK; 1734 current_sd = ¤t_ld_sd->stream_track[stream_num]; 1735 /* if we found a stream, update the raid 1736 * context and also update the mruBitMap 1737 */ 1738 /* boundary condition */ 1739 if ((current_sd->next_seq_lba) && 1740 (io_info->ldStartBlock >= current_sd->next_seq_lba) && 1741 (io_info->ldStartBlock <= (current_sd->next_seq_lba+32)) && 1742 (current_sd->is_read == io_info->isRead)) { 1743 > 1744 if ((io_info->ldStartBlock != current_sd->next_seq_lba) 1745 && ((!io_info->isRead) || (!is_read_ahead))) 1746 /* 1747 * Once the API availible we need to change this. 1748 * At this point we are not allowing any gap 1749 */ 1750 continue; 1751 cmd->io_request->RaidContext.raid_context_g35.stream_detected = true; 1752 current_sd->next_seq_lba = --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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