Two types of errors are detected by the checkpatch. 1. Alignment between switches and cases 2. Improper use of some spaces Here are the clean up patches. Luo Jiaxing (2): scsi: libsas: make switch and case at the same indent in sas_to_ata_err() scsi: libsas: clean up for white spaces drivers/scsi/libsas/sas_ata.c | 74 ++++++++++++++++++-------------------- drivers/scsi/libsas/sas_discover.c | 2 +- drivers/scsi/libsas/sas_expander.c | 15 ++++---- 3 files changed, 43 insertions(+), 48 deletions(-) -- 2.7.4