From b7ba0372a1b89c2fadd1f911ac3184971ff3c45e Mon Sep 17 00:00:00 2001
From: imp <imp@FreeBSD.org>
Date: Mon, 24 Jun 2019 20:23:19 +0000
Subject: [PATCH] Use the cam_ed copy of ata_params rather than malloc and
 freeing memory for it. This reaches into internal bits of xpt a little, and
 I'll clean that up later.

---
 sys/cam/scsi/scsi_da.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/sys/cam/scsi/scsi_da.c b/sys/cam/scsi/scsi_da.c
index d2e66307cce..f2f60d35b2e 100644
--- a/sys/cam/scsi/scsi_da.c
+++ b/sys/cam/scsi/scsi_da.c
@@ -64,6 +64,9 @@ __FBSDID("$FreeBSD$");
 #include <cam/cam_ccb.h>
 #include <cam/cam_periph.h>
 #include <cam/cam_xpt_periph.h>
+#ifdef _KERNEL
+#include <cam/cam_xpt_internal.h>
+#endif /* _KERNEL */
 #include <cam/cam_sim.h>
 #include <cam/cam_iosched.h>
 
@@ -3613,15 +3616,7 @@ dastart(struct cam_periph *periph, union ccb *start_ccb)
 			break;
 		}
 
-		ata_params = (struct ata_params*)
-			malloc(sizeof(*ata_params), M_SCSIDA,M_NOWAIT|M_ZERO);
-
-		if (ata_params == NULL) {
-			xpt_print(periph->path, "Couldn't malloc ata_params "
-			    "data\n");
-			/* da_free_periph??? */
-			break;
-		}
+		ata_params = &periph->path->device->ident_data;
 
 		scsi_ata_identify(&start_ccb->csio,
 				  /*retries*/da_retry_count,
@@ -5294,7 +5289,6 @@ dadone_probeata(struct cam_periph *periph, union ccb *done_ccb)
 		}
 	}
 
-	free(ata_params, M_SCSIDA);
 	if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
 	 || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
 		/*
-- 
2.45.0