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| author | Ingo Molnar <mingo@kernel.org> | 2016-07-07 08:58:23 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-07-07 08:58:23 +0200 |
| commit | 3ebe3bd8fbd51b5e04e93c7f3fb90bd096a86344 (patch) | |
| tree | 41b67e7a92f1935b1d5acdc714de1b13f657b7af /kernel/audit.c | |
| parent | c50f62454f4b489422333cb2e31401d87456bfa1 (diff) | |
| parent | 2c81a6477081966fe80b8c6daa68459bca896774 (diff) | |
| download | linux-3ebe3bd8fbd51b5e04e93c7f3fb90bd096a86344.tar.gz linux-3ebe3bd8fbd51b5e04e93c7f3fb90bd096a86344.tar.bz2 linux-3ebe3bd8fbd51b5e04e93c7f3fb90bd096a86344.zip | |
Merge branch 'perf/urgent' into perf/core, to pick up fixes before merging new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/audit.c')
| -rw-r--r-- | kernel/audit.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/kernel/audit.c b/kernel/audit.c index 22bb4f24f071..8d528f9930da 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -1883,6 +1883,23 @@ out_null: audit_log_format(ab, " exe=(null)"); } +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; +} + +void audit_put_tty(struct tty_struct *tty) +{ + tty_kref_put(tty); +} + void audit_log_task_info(struct audit_buffer *ab, struct task_struct *tsk) { const struct cred *cred; |