Index: cddl/contrib/opensolaris/lib/libzfs/common/libzfs_import.c
===================================================================
--- cddl/contrib/opensolaris/lib/libzfs/common/libzfs_import.c
+++ cddl/contrib/opensolaris/lib/libzfs/common/libzfs_import.c
@@ -912,6 +912,7 @@
 
 	free(label);
 	*config = NULL;
+	errno = 0;
 	return (-1);
 }