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Date:      Wed, 13 Jun 2012 08:00:33 +0000 (UTC)
From:      Martin Matuska <mm@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r237001 - head/sys/boot/zfs
Message-ID:  <201206130800.q5D80XGY005400@svn.freebsd.org>

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Author: mm
Date: Wed Jun 13 08:00:32 2012
New Revision: 237001
URL: http://svn.freebsd.org/changeset/base/237001

Log:
  Fix ZFS boot with pre-features pools (version <= 28) broken in r236884
  
  Reported by:	mav
  MFC after:	1 month

Modified:
  head/sys/boot/zfs/zfsimpl.c

Modified: head/sys/boot/zfs/zfsimpl.c
==============================================================================
--- head/sys/boot/zfs/zfsimpl.c	Wed Jun 13 06:57:55 2012	(r237000)
+++ head/sys/boot/zfs/zfsimpl.c	Wed Jun 13 08:00:32 2012	(r237001)
@@ -888,9 +888,10 @@ vdev_probe(vdev_phys_read_t *read, void 
 	}
 
 	/* Check ZFS features for read */
-	rc = nvlist_find(nvlist, ZPOOL_CONFIG_FEATURES_FOR_READ,
-			 DATA_TYPE_NVLIST, 0, &features);
-	if (nvlist_check_features_for_read(features) != 0)
+	if (nvlist_find(nvlist,
+			ZPOOL_CONFIG_FEATURES_FOR_READ,
+			DATA_TYPE_NVLIST, 0, &features) == 0
+	    && nvlist_check_features_for_read(features) != 0)
 		return (EIO);
 
 	if (nvlist_find(nvlist,



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