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Merge branch 'stable-4.7' of git://git.infradead.org/users/pcmoore/audit

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Pull audit updates from Paul Moore:
 "Four small audit patches for 4.7.

  Two are simple cleanups around the audit thread management code, one
  adds a tty field to AUDIT_LOGIN events, and the final patch makes
  tty_name() usable regardless of CONFIG_TTY.

  Nothing controversial, and it all passes our regression test"

* 'stable-4.7' of git://git.infradead.org/users/pcmoore/audit:
  tty: provide tty_name() even without CONFIG_TTY
  audit: add tty field to LOGIN event
  audit: we don't need to __set_current_state(TASK_RUNNING)
  audit: cleanup prune_tree_thread
This commit is contained in:
Linus Torvalds
2016-05-18 18:46:55 -07:00
parent 97f00905ec 188e3c5cd2
commit 03e1aa1cbb
5 changed files with 48 additions and 30 deletions
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24
include/linux/audit.h
View File

@@ -26,6 +26,7 @@
#include <linux/sched.h>
#include <linux/ptrace.h>
#include <uapi/linux/audit.h>
#include <linux/tty.h>
#define AUDIT_INO_UNSET ((unsigned long)-1)
#define AUDIT_DEV_UNSET ((dev_t)-1)
@@ -347,6 +348,23 @@ static inline unsigned int audit_get_sessionid(struct task_struct *tsk)
return tsk->sessionid;
}
static inline struct tty_struct *audit_get_tty(struct task_struct *tsk)
{
struct tty_struct *tty = NULL;
unsigned long flags;
spin_lock_irqsave(&tsk->sighand->siglock, flags);
if (tsk->signal)
tty = tty_kref_get(tsk->signal->tty);
spin_unlock_irqrestore(&tsk->sighand->siglock, flags);
return tty;
}
static inline void audit_put_tty(struct tty_struct *tty)
{
tty_kref_put(tty);
}
extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp);
extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode);
extern void __audit_bprm(struct linux_binprm *bprm);
@@ -504,6 +522,12 @@ static inline unsigned int audit_get_sessionid(struct task_struct *tsk)
{
return -1;
}
static inline struct tty_struct *audit_get_tty(struct task_struct *tsk)
{
return NULL;
}
static inline void audit_put_tty(struct tty_struct *tty)
{ }
static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
{ }
static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid,