From 3ad9f7c2c5f1e7c659294c8f7528306135e04a4a Mon Sep 17 00:00:00 2001
From: Poul-Henning Kamp <phk@FreeBSD.org>
Date: Sat, 29 Jan 2005 16:49:43 +0000
Subject: [PATCH] When dumping to a unpartitioned disk, make sure to chop the
 length of the dump area accordingly.

Run into by:	scottl
---
 sys/geom/geom_disk.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/geom/geom_disk.c b/sys/geom/geom_disk.c
index bddb1c96386d..9145b3bb4f92 100644
--- a/sys/geom/geom_disk.c
+++ b/sys/geom/geom_disk.c
@@ -180,6 +180,8 @@ g_disk_kerneldump(struct bio *bp, struct disk *dp)
 	di.priv = dp;
 	di.blocksize = dp->d_sectorsize;
 	di.mediaoffset = gkd->offset;
+	if ((gkd->offset + gkd->length) > dp->d_mediasize)
+		gkd->length = dp->d_mediasize - gkd->offset;
 	di.mediasize = gkd->length;
 	error = set_dumper(&di);
 	g_io_deliver(bp, error);