- For consistency, remove "." and ".." entries from de_dlist before

calling devfs_delete() (and thus possibly dropping dm_lock) in
  devfs_rmdir_empty().
- Assert that we don't return doomed entries from devfs_find(). [1]

Suggested by:	kib [1]
Reviewed by:	kib
This commit is contained in:
jh 2010-09-18 18:37:41 +00:00
parent ac1d9eedaf
commit 8c48e7bab1

View File

@ -171,6 +171,8 @@ devfs_find(struct devfs_dirent *dd, const char *name, int namelen, int type)
continue;
break;
}
KASSERT(de == NULL || (de->de_flags & DE_DOOMED) == 0,
("devfs_find: returning a doomed entry"));
return (de);
}
@ -302,6 +304,8 @@ devfs_rmdir_empty(struct devfs_mount *dm, struct devfs_dirent *de)
dd = devfs_parent_dirent(de);
KASSERT(dd != NULL, ("devfs_rmdir_empty: NULL dd"));
TAILQ_REMOVE(&de->de_dlist, de_dot, de_list);
TAILQ_REMOVE(&de->de_dlist, de_dotdot, de_list);
TAILQ_REMOVE(&dd->de_dlist, de, de_list);
DEVFS_DE_HOLD(dd);
devfs_delete(dm, de, DEVFS_DEL_NORECURSE);