scsi: fnic: Propagate SCSI error code from fnic_scsi_drv_init()

Propagate scsi_add_host() error instead of returning -1.

Suggested-by: Dan Carpenter <[email protected]>
Reviewed-by: Sesidhar Baddela <[email protected]>
Reviewed-by: Arulprabhu Ponnusamy <[email protected]>
Reviewed-by: Gian Carlo Boffa <[email protected]>
Signed-off-by: Arun Easi <[email protected]>
Signed-off-by: Karan Tilak Kumar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin K. Petersen <[email protected]>

Author: Arun Easi

drivers/scsi/fnic/fnic_main.c

@@ -637,7 +637,7 @@ static int fnic_scsi_drv_init(struct fnic *fnic)
 	err = scsi_add_host(fnic->host, &pdev->dev);
 	if (err) {
 		dev_err(&fnic->pdev->dev, "fnic: scsi add host failed: aborting\n");
-		return -1;
+		return err;
 	}
 	fc_host_maxframe_size(fnic->host) = iport->max_payload_size;
 	fc_host_dev_loss_tmo(fnic->host) =