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Date:      Wed, 24 Jun 2015 14:37:19 +0000 (UTC)
From:      Andriy Gapon <avg@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org
Subject:   svn commit: r284756 - stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs
Message-ID:  <201506241437.t5OEbJoJ081768@svn.freebsd.org>
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Author: avg
Date: Wed Jun 24 14:37:19 2015
New Revision: 284756
URL: https://svnweb.freebsd.org/changeset/base/284756

Log:
  MFC r284301: MFV r284040: check that datasets are snapshots

Modified:
  stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c
  stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c
Directory Properties:
  stable/9/sys/   (props changed)
  stable/9/sys/cddl/contrib/opensolaris/   (props changed)

Modified: stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c
==============================================================================
--- stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c	Wed Jun 24 14:32:05 2015	(r284755)
+++ stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c	Wed Jun 24 14:37:19 2015	(r284756)
@@ -730,6 +730,10 @@ dmu_send_estimate(dsl_dataset_t *ds, dsl
 	if (!dsl_dataset_is_snapshot(ds))
 		return (SET_ERROR(EINVAL));
 
+	/* fromsnap, if provided, must be a snapshot */
+	if (fromds != NULL && !dsl_dataset_is_snapshot(fromds))
+		return (SET_ERROR(EINVAL));
+
 	/*
 	 * fromsnap must be an earlier snapshot from the same fs as tosnap,
 	 * or the origin's fs.

Modified: stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c
==============================================================================
--- stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c	Wed Jun 24 14:32:05 2015	(r284755)
+++ stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c	Wed Jun 24 14:37:19 2015	(r284756)
@@ -5322,11 +5322,19 @@ zfs_ioc_space_snaps(const char *lastsnap
 		return (error);
 
 	error = dsl_dataset_hold(dp, lastsnap, FTAG, &new);
+	if (error == 0 && !dsl_dataset_is_snapshot(new)) {
+		dsl_dataset_rele(new, FTAG);
+		error = SET_ERROR(EINVAL);
+	}
 	if (error != 0) {
 		dsl_pool_rele(dp, FTAG);
 		return (error);
 	}
 	error = dsl_dataset_hold(dp, firstsnap, FTAG, &old);
+	if (error == 0 && !dsl_dataset_is_snapshot(old)) {
+		dsl_dataset_rele(old, FTAG);
+		error = SET_ERROR(EINVAL);
+	}
 	if (error != 0) {
 		dsl_dataset_rele(new, FTAG);
 		dsl_pool_rele(dp, FTAG);

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