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-rw-r--r--include/linux/capability.h20
1 files changed, 7 insertions, 13 deletions
diff --git a/include/linux/capability.h b/include/linux/capability.h
index 16ee8b49a200..4554db0cde86 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -355,7 +355,12 @@ struct cpu_vfs_cap_data {
355 355
356#define CAP_SYSLOG 34 356#define CAP_SYSLOG 34
357 357
358#define CAP_LAST_CAP CAP_SYSLOG 358/* Allow triggering something that will wake the system */
359
360#define CAP_WAKE_ALARM 35
361
362
363#define CAP_LAST_CAP CAP_WAKE_ALARM
359 364
360#define cap_valid(x) ((x) >= 0 && (x) <= CAP_LAST_CAP) 365#define cap_valid(x) ((x) >= 0 && (x) <= CAP_LAST_CAP)
361 366
@@ -546,18 +551,7 @@ extern bool has_capability_noaudit(struct task_struct *t, int cap);
546extern bool capable(int cap); 551extern bool capable(int cap);
547extern bool ns_capable(struct user_namespace *ns, int cap); 552extern bool ns_capable(struct user_namespace *ns, int cap);
548extern bool task_ns_capable(struct task_struct *t, int cap); 553extern bool task_ns_capable(struct task_struct *t, int cap);
549 554extern bool nsown_capable(int cap);
550/**
551 * nsown_capable - Check superior capability to one's own user_ns
552 * @cap: The capability in question
553 *
554 * Return true if the current task has the given superior capability
555 * targeted at its own user namespace.
556 */
557static inline bool nsown_capable(int cap)
558{
559 return ns_capable(current_user_ns(), cap);
560}
561 555
562/* audit system wants to get cap info from files as well */ 556/* audit system wants to get cap info from files as well */
563extern int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps); 557extern int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps);