22 #include "label.h"
30  * aa_cred_raw_label - obtain cred's label
31  * @cred: cred to obtain label from  (NOT NULL)
33  * Returns: confining label
39 	struct aa_label *label = cred_label(cred);  in aa_cred_raw_label()  local
41 	AA_BUG(!label);  in aa_cred_raw_label()
42 	return label;  in aa_cred_raw_label()
46  * aa_get_newest_cred_label - obtain the newest label on a cred
47  * @cred: cred to obtain label from (NOT NULL)
49  * Returns: newest version of confining label
57  * __aa_task_raw_label - retrieve another task's label
60  * Returns: @task's label without incrementing its ref count
70  * aa_current_raw_label - find the current tasks confining label
72  * Returns: up to date confining label or the ns unconfined label (NOT NULL)
75  * of the label so it is safe to call when inside of locks.
83  * aa_get_current_label - get the newest version of the current tasks label
85  * Returns: newest version of confining label (NOT NULL)
104  * @label: label reference to put
110 static inline void end_current_label_crit_section(struct aa_label *label)  in end_current_label_crit_section()  argument
112 	if (label != aa_current_raw_label())  in end_current_label_crit_section()
113 		aa_put_label(label);  in end_current_label_crit_section()
117  * __begin_current_label_crit_section - current's confining label
119  * Returns: up to date confining label or the ns unconfined label (NOT NULL)
130 	struct aa_label *label = aa_current_raw_label();  in __begin_current_label_crit_section()  local
132 	if (label_is_stale(label))  in __begin_current_label_crit_section()
133 		label = aa_get_newest_label(label);  in __begin_current_label_crit_section()
135 	return label;  in __begin_current_label_crit_section()
139  * begin_current_label_crit_section - current's confining label and update it
141  * Returns: up to date confining label or the ns unconfined label (NOT NULL)
152 	struct aa_label *label = aa_current_raw_label();  in begin_current_label_crit_section()  local
156 	if (label_is_stale(label)) {  in begin_current_label_crit_section()
157 		label = aa_get_newest_label(label);  in begin_current_label_crit_section()
158 		if (aa_replace_current_label(label) == 0)  in begin_current_label_crit_section()
160 			aa_put_label(label);  in begin_current_label_crit_section()
163 	return label;  in begin_current_label_crit_section()
168 	struct aa_label *label;  in aa_get_current_ns()  local
171 	label  = __begin_current_label_crit_section();  in aa_get_current_ns()
172 	ns = aa_get_ns(labels_ns(label));  in aa_get_current_ns()
173 	__end_current_label_crit_section(label);  in aa_get_current_ns()