14 struct tty_audit_buf {  struct
22 static struct tty_audit_buf *tty_audit_buf_ref(void)  in tty_audit_buf_ref()  argument
24 	struct tty_audit_buf *buf;  in tty_audit_buf_ref()
26 	buf = current->signal->tty_audit_buf;  in tty_audit_buf_ref()
31 static struct tty_audit_buf *tty_audit_buf_alloc(void)  in tty_audit_buf_alloc()
33 	struct tty_audit_buf *buf;  in tty_audit_buf_alloc()
53 static void tty_audit_buf_free(struct tty_audit_buf *buf)  in tty_audit_buf_free()
90 static void tty_audit_buf_push(struct tty_audit_buf *buf)  in tty_audit_buf_push()
113 	struct tty_audit_buf *buf;  in tty_audit_exit()
115 	buf = xchg(&current->signal->tty_audit_buf, ERR_PTR(-ESRCH));  in tty_audit_exit()
155 	struct tty_audit_buf *buf;  in tty_audit_push()
176 static struct tty_audit_buf *tty_audit_buf_get(void)  in tty_audit_buf_get()
178 	struct tty_audit_buf *buf;  in tty_audit_buf_get()
191 	if (cmpxchg(&current->signal->tty_audit_buf, NULL, buf) != NULL)  in tty_audit_buf_get()
203 	struct tty_audit_buf *buf;  in tty_audit_add_data()