Lines Matching refs:ex
64 struct dev_exception_item *ex, *tmp, *new; in dev_exceptions_copy() local
68 list_for_each_entry(ex, orig, list) { in dev_exceptions_copy()
69 new = kmemdup(ex, sizeof(*ex), GFP_KERNEL); in dev_exceptions_copy()
78 list_for_each_entry_safe(ex, tmp, dest, list) { in dev_exceptions_copy()
79 list_del(&ex->list); in dev_exceptions_copy()
80 kfree(ex); in dev_exceptions_copy()
89 struct dev_exception_item *ex) in dev_exception_add() argument
95 excopy = kmemdup(ex, sizeof(*ex), GFP_KERNEL); in dev_exception_add()
100 if (walk->type != ex->type) in dev_exception_add()
102 if (walk->major != ex->major) in dev_exception_add()
104 if (walk->minor != ex->minor) in dev_exception_add()
107 walk->access |= ex->access; in dev_exception_add()
121 struct dev_exception_item *ex) in dev_exception_rm() argument
128 if (walk->type != ex->type) in dev_exception_rm()
130 if (walk->major != ex->major) in dev_exception_rm()
132 if (walk->minor != ex->minor) in dev_exception_rm()
135 walk->access &= ~ex->access; in dev_exception_rm()
145 struct dev_exception_item *ex, *tmp; in __dev_exception_clean() local
147 list_for_each_entry_safe(ex, tmp, &dev_cgroup->exceptions, list) { in __dev_exception_clean()
148 list_del_rcu(&ex->list); in __dev_exception_clean()
149 kfree_rcu(ex, rcu); in __dev_exception_clean()
273 struct dev_exception_item *ex; in devcgroup_seq_show() local
290 list_for_each_entry_rcu(ex, &devcgroup->exceptions, list) { in devcgroup_seq_show()
291 set_access(acc, ex->access); in devcgroup_seq_show()
292 set_majmin(maj, ex->major); in devcgroup_seq_show()
293 set_majmin(min, ex->minor); in devcgroup_seq_show()
294 seq_printf(m, "%c %s:%s %s\n", type_to_char(ex->type), in devcgroup_seq_show()
319 struct dev_exception_item *ex; in match_exception() local
321 list_for_each_entry_rcu(ex, exceptions, list) { in match_exception()
322 if ((type & DEVCG_DEV_BLOCK) && !(ex->type & DEVCG_DEV_BLOCK)) in match_exception()
324 if ((type & DEVCG_DEV_CHAR) && !(ex->type & DEVCG_DEV_CHAR)) in match_exception()
326 if (ex->major != ~0 && ex->major != major) in match_exception()
328 if (ex->minor != ~0 && ex->minor != minor) in match_exception()
331 if (access & (~ex->access)) in match_exception()
356 struct dev_exception_item *ex; in match_exception_partial() local
358 list_for_each_entry_rcu(ex, exceptions, list, in match_exception_partial()
360 if ((type & DEVCG_DEV_BLOCK) && !(ex->type & DEVCG_DEV_BLOCK)) in match_exception_partial()
362 if ((type & DEVCG_DEV_CHAR) && !(ex->type & DEVCG_DEV_CHAR)) in match_exception_partial()
368 if (ex->major != ~0 && major != ~0 && ex->major != major) in match_exception_partial()
370 if (ex->minor != ~0 && minor != ~0 && ex->minor != minor) in match_exception_partial()
377 if (!(access & ex->access)) in match_exception_partial()
452 struct dev_exception_item *ex) in parent_has_perm() argument
458 return verify_new_ex(parent, ex, childcg->behavior); in parent_has_perm()
473 struct dev_exception_item *ex) in parent_allows_removal() argument
488 return !match_exception_partial(&parent->exceptions, ex->type, in parent_allows_removal()
489 ex->major, ex->minor, ex->access); in parent_allows_removal()
520 struct dev_exception_item *ex; in revalidate_active_exceptions() local
524 ex = container_of(this, struct dev_exception_item, list); in revalidate_active_exceptions()
525 if (!parent_has_perm(devcg, ex)) in revalidate_active_exceptions()
526 dev_exception_rm(devcg, ex); in revalidate_active_exceptions()
538 struct dev_exception_item *ex) in propagate_exception() argument
565 rc = dev_exception_add(devcg, ex); in propagate_exception()
575 dev_exception_rm(devcg, ex); in propagate_exception()
605 struct dev_exception_item ex; in devcgroup_update_access() local
611 memset(&ex, 0, sizeof(ex)); in devcgroup_update_access()
645 ex.type = DEVCG_DEV_BLOCK; in devcgroup_update_access()
648 ex.type = DEVCG_DEV_CHAR; in devcgroup_update_access()
658 ex.major = ~0; in devcgroup_update_access()
668 rc = kstrtou32(temp, 10, &ex.major); in devcgroup_update_access()
680 ex.minor = ~0; in devcgroup_update_access()
690 rc = kstrtou32(temp, 10, &ex.minor); in devcgroup_update_access()
701 ex.access |= DEVCG_ACC_READ; in devcgroup_update_access()
704 ex.access |= DEVCG_ACC_WRITE; in devcgroup_update_access()
707 ex.access |= DEVCG_ACC_MKNOD; in devcgroup_update_access()
727 if (!parent_allows_removal(devcgroup, &ex)) in devcgroup_update_access()
729 dev_exception_rm(devcgroup, &ex); in devcgroup_update_access()
733 if (!parent_has_perm(devcgroup, &ex)) in devcgroup_update_access()
735 rc = dev_exception_add(devcgroup, &ex); in devcgroup_update_access()
744 dev_exception_rm(devcgroup, &ex); in devcgroup_update_access()
746 rc = dev_exception_add(devcgroup, &ex); in devcgroup_update_access()
751 rc = propagate_exception(devcgroup, &ex); in devcgroup_update_access()