4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hannes Reinecke <hare@xxxxxxx> [ Upstream commit e39a97353e5378eb46bf01679799c5704d397f32 ] When converting __scsi_error_from_host_byte() to BLK_STS error codes the case DID_OK was forgotten, resulting in it always returning an error. Fixes: 2a842acab109 ("block: introduce new block status code type") Cc: Doug Gilbert <dgilbert@xxxxxxxxxxxx> Signed-off-by: Hannes Reinecke <hare@xxxxxxxx> Reviewed-by: Douglas Gilbert <dgilbert@xxxxxxxxxxxx> Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/scsi/scsi_lib.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -720,6 +720,8 @@ static blk_status_t __scsi_error_from_ho int result) { switch (host_byte(result)) { + case DID_OK: + return BLK_STS_OK; case DID_TRANSPORT_FAILFAST: return BLK_STS_TRANSPORT; case DID_TARGET_FAILURE: