--- a/usr/src/lib/libzfs/common/libzfs_pool.c	Fri Dec 15 14:38:04 2006 -0800
+++ b/usr/src/lib/libzfs/common/libzfs_pool.c	Fri Dec 15 14:44:11 2006 -0800
@@ -1733,12 +1733,11 @@
 
 	*list = zhp->zpool_error_log;
 	*nelem = zhp->zpool_error_count;
-	free(zb);
+	free((void *)(uintptr_t)zc.zc_nvlist_dst);
 
 	return (0);
 
 nomem:
-	free(zb);
 	free((void *)(uintptr_t)zc.zc_nvlist_dst);
 	for (i = 0; i < zhp->zpool_error_count; i++)
 		nvlist_free(zhp->zpool_error_log[i]);