Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\apparmor\label.c Create Date:2022-07-28 19:54:24
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:aa_label_alloc - allocate a label with a profile vector of @size length*@size: size of profile vector in the label*@proxy: proxy to use OR null if to allocate a new one*@gfp: memory allocation type* Returns: new label* else NULL if failed

Proto:struct aa_label *aa_label_alloc(int size, struct aa_proxy *proxy, gfp_t gfp)

Type:struct aa_label

Parameter:

TypeParameterName
intsize
struct aa_proxy *proxy
gfp_tgfp
430  AA_BUG(size < 1)
433  new = kzalloc - allocate memory. The memory is set to zero.*@size: how many bytes of memory are required.*@flags: the type of memory to allocate (see kmalloc).
435  AA_DEBUG("%s (%p)\n", __func__, new)
436  If Not new Then Go to fail
439  If Not aa_label_init(new, size, gfp) Then Go to fail
442  If Not proxy Then
443  proxy = aa_alloc_proxy(new, gfp)
444  If Not proxy Then Go to fail
446  Else aa_get_proxy(proxy)
449  proxy = proxy
451  Return new
453  fail :
454  kfree(new)
456  Return NULL
Caller
NameDescribe
vec_create_and_insert_labelquires sort and merge done first
aa_label_mergeaa_label_merge - attempt to insert new merged label of @a and @b*@ls: set of labels to insert label into (NOT NULL)*@a: label to merge with @b (NOT NULL)*@b: label to merge with @a (NOT NULL)*@gfp: memory allocation type* Requires: caller to hold valid
__label_update__label_update - insert updated version of @label into labelset*@label - the label to update/replace* Returns: new label that is up to date* else NULL on failure* Requires: @ns lock be held* Note: worst case is the stale @label does not get updated and has