diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index 0a0e42d3eb771b77c808af754d540ae7f6fa905c..221a850ae153b42887b2e2942a0ed9e1f9e5f749 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -2767,6 +2767,26 @@ static int mpi3mr_target_alloc(struct scsi_target *starget) return retval; } +/** + * mpi3mr_allow_scmd_to_fw - Command is allowed during shutdown + * @scmd: SCSI Command reference + * + * Checks whether a cdb is allowed during shutdown or not. + * + * Return: TRUE for allowed commands, FALSE otherwise. + */ + +inline bool mpi3mr_allow_scmd_to_fw(struct scsi_cmnd *scmd) +{ + switch (scmd->cmnd[0]) { + case SYNCHRONIZE_CACHE: + case START_STOP: + return true; + default: + return false; + } +} + /** * mpi3mr_qcmd - I/O request despatcher * @shost: SCSI Host reference @@ -2802,7 +2822,8 @@ static int mpi3mr_qcmd(struct Scsi_Host *shost, goto out; } - if (mrioc->stop_drv_processing) { + if (mrioc->stop_drv_processing && + !(mpi3mr_allow_scmd_to_fw(scmd))) { scmd->result = DID_NO_CONNECT << 16; scmd->scsi_done(scmd); goto out;