Merge "scsi: ufs: fix multiple ufs spec violation"

static void ufshcd_tmc_handler(struct ufs_hba *hba);

static void ufshcd_async_scan(void *data, async_cookie_t cookie);

static int ufshcd_reset_and_restore(struct ufs_hba *hba);

static int ufshcd_eh_host_reset_handler(struct scsi_cmnd *cmd);

static int ufshcd_clear_tm_cmd(struct ufs_hba *hba, int tag);

static void ufshcd_hba_exit(struct ufs_hba *hba);

static int ufshcd_probe_hba(struct ufs_hba *hba);

	host = cmd->device->host;

	hba = shost_priv(host);

	tag = cmd->request->tag;

	lrbp = &hba->lrb[tag];

	/*

	 * Task abort to the device W-LUN is illegal. When this command

	 * will fail, due to spec violation, scsi err handling next step

	 * will be to send LU reset which, again, is a spec violation.

	 * To avoid these unnecessary/illegal step we skip to the last error

	 * handling stage: reset and restore.

	 */

	if (lrbp->lun == UFS_UPIU_UFS_DEVICE_WLUN)

		return ufshcd_eh_host_reset_handler(cmd);

	ufshcd_hold(hba, false);

	/* If command is already aborted/completed, return SUCCESS */

	ufshcd_print_pwr_info(hba);

	ufshcd_print_trs(hba, 1 << tag, true);

	lrbp = &hba->lrb[tag];

	for (poll_cnt = 100; poll_cnt; poll_cnt--) {

		err = ufshcd_issue_tm_cmd(hba, lrbp->lun, lrbp->task_tag,

				UFS_QUERY_TASK, &resp);