From eb35e1c9283c98c8cd1beb681f08718585952add Mon Sep 17 00:00:00 2001
From: tsoome <tsoome@FreeBSD.org>
Date: Tue, 7 Jul 2020 12:24:40 +0000
Subject: [PATCH] loader: geli_dev_ioctl does return huge mediasize

The DIOCGMEDIASIZE is calculated md->md_sectorsize * md->md_provsize, and
for boot disk, the md_sectorsize is 4k. However, the md_provsize is already
in units of bytes.

Sponsored by:	Netflix, Klara Inc.
---
 stand/libsa/geli/gelidev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stand/libsa/geli/gelidev.c b/stand/libsa/geli/gelidev.c
index 8c1359c0b49a..751255636112 100644
--- a/stand/libsa/geli/gelidev.c
+++ b/stand/libsa/geli/gelidev.c
@@ -219,7 +219,7 @@ geli_dev_ioctl(struct open_file *f, u_long cmd, void *data)
 		*(u_int *)data = md->md_sectorsize;
 		break;
 	case DIOCGMEDIASIZE:
-		*(uint64_t *)data = md->md_sectorsize * md->md_provsize;
+		*(uint64_t *)data = md->md_provsize;
 		break;
 	default:
 		return (ENOTTY);