CC drivers/staging/fsl_qbman/qman_debugfs.o LD drivers/mtd/maps/built-in.o /data/fast_build/xxxxxx/80_windshare_overwrite_upgrade/base/build_dir/05221039-build_default_image_overwrite_upgrade_LB13_LX03/fsl-t4xxx-standard-glibc-std/bitbake_build/tmp/work-shared/fsl-t4xxx/kernel-source/drivers/mtd/nand/nand_base.c: In function 'nand_unlock': /data/fast_build/xxxxxx/80_windshare_overwrite_upgrade/base/build_dir/05221039-build_default_image_overwrite_upgrade_LB13_LX03/fsl-t4xxx-standard-glibc-std/bitbake_build/tmp/work-shared/fsl-t4xxx/kernel-source/drivers/mtd/nand/nand_base.c:1031:1: warning: control reaches end of non-void function [-Wreturn-type] {} ^ Please see log as below: ala-lpd-test3:/buildarea/fast_build/xxxxxx/80_windshare_overwrite_upgrade/base/log_dir/WRL80RCPL0018_LB13_LX03/05221008-build_default_image_overwrite_upgrade_LB13_LX03-logs/fsl-t1xxx-preempt-rt-glibc-std/kernel_log.do_compile ala-lpd-test3:/buildarea/fast_build/xxxxxx/80_windshare_overwrite_upgrade/base/log_dir/WRL80RCPL0018_LB13_LX03/05221626-build_default_image_overwrite_upgrade_LB13_LX03-logs/cav-octeon3-preempt-rt-glibc-std/kernel_log.do_compile ala-lpd-test3:/buildarea/fast_build/xxxxxx/80_windshare_overwrite_upgrade/base/log_dir/WRL80RCPL0018_LB13_LX03/05221211-build_default_image_overwrite_upgrade_LB13_LX03-logs/mv-armada-38x-preempt-rt-glibc-std/kernel_log.do_compile ala-lpd-test3:/buildarea/fast_build/xxxxxx/80_windshare_overwrite_upgrade/base/log_dir/WRL80RCPL0018_LB13_LX03/05221623-build_default_image_overwrite_upgrade_LB13_LX03-logs/fsl-ls1043-preempt-rt-glibc-std/kernel_log.do_compile ala-lpd-test3:/buildarea/fast_build/xxxxxx/80_windshare_overwrite_upgrade/base/log_dir/WRL80RCPL0018_LB13_LX03/05221645-build_previous_rcpl_overwrite_upgrade_LB13_LX03-logs/cav-octeon3-preempt-rt-glibc-std/kernel_log.do_compile ala-lpd-test3:/buildarea/fast_build/xxxxxx/80_windshare_overwrite_upgrade/base/log_dir/WRL80RCPL0018_LB13_LX03/05220648-build_default_image_overwrite_upgrade_LB13_LX03-logs/fsl-ls20xx-standard-glibc-std/kernel_log.do_compile ala-lpd-test3:/buildarea/fast_build/xxxxxx/80_windshare_overwrite_upgrade/base/log_dir/WRL80RCPL0018_LB13_LX03/05220648-build_default_image_overwrite_upgrade_LB13_LX03-logs/intel-x86-32-standard-glibc-std/kernel_log.do_compile ala-lpd-test3:/buildarea/fast_build/xxxxxx/80_windshare_overwrite_upgrade/base/log_dir/WRL80RCPL0018_LB13_LX03/05221604-build_default_image_overwrite_upgrade_LB13_LX03-logs/intel-x86-32-preempt-rt-glibc-std/kernel_log.do_compile