Index: sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_onexit.c
===================================================================
--- sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_onexit.c
+++ sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_onexit.c
@@ -137,7 +137,7 @@
 		*minorp = (minor_t)(uintptr_t)data;
 	curthread->td_fpop = tmpfp;
 	if (error != 0)
-		return (error);
+		return (SET_ERROR(EBADF));
 	return (zfs_onexit_minor_to_state(*minorp, &zo));
 }