From aabac0c17673904e13947cc621c65898e74c3e43 Mon Sep 17 00:00:00 2001
From: "Kenneth D. Merry" <ken@FreeBSD.org>
Date: Mon, 1 Oct 2018 19:00:46 +0000
Subject: [PATCH] Fix a da(4) driver memory leak for SCSI SMR devices.

In the probe case for SCSI SMR Host Aware or Most Managed drives, be sure
to free allocated memory.

sys/cam/scsi/scsi_da.c:
	In dadone_probezone(), free the data pointer before returning.

MFC after:	3 days
Sponsored by:	Spectra Logic
Approved by:	re (kib)
---
 sys/cam/scsi/scsi_da.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/cam/scsi/scsi_da.c b/sys/cam/scsi/scsi_da.c
index 40f593f9b62..80dcb34a0a7 100644
--- a/sys/cam/scsi/scsi_da.c
+++ b/sys/cam/scsi/scsi_da.c
@@ -5674,6 +5674,9 @@ dadone_probezone(struct cam_periph *periph, union ccb *done_ccb)
 			}
 		}
 	}
+
+	free(csio->data_ptr, M_SCSIDA);
+
 	daprobedone(periph, done_ccb);
 	return;
 }
-- 
2.45.0