[RESEND][PATCH 14/15] tty: audit: Always push audit buffer before TIOCSTI

From: Peter Hurley
Date: Sun Jan 10 2016 - 00:00:45 EST


The data read from another tty may be relevant to the action of
the TIOCSTI ioctl; log the audit buffer immediately.

Signed-off-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
---
drivers/tty/tty_audit.c | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/tty/tty_audit.c b/drivers/tty/tty_audit.c
index 269e41f..fa461dc 100644
--- a/drivers/tty/tty_audit.c
+++ b/drivers/tty/tty_audit.c
@@ -130,19 +130,13 @@ void tty_audit_fork(struct signal_struct *sig)
*/
void tty_audit_tiocsti(struct tty_struct *tty, char ch)
{
- struct tty_audit_buf *buf;
dev_t dev;

dev = MKDEV(tty->driver->major, tty->driver->minor_start) + tty->index;
- buf = current->signal->tty_audit_buf;
- if (buf) {
- mutex_lock(&buf->mutex);
- if (buf->dev == dev)
- tty_audit_buf_push(buf);
- mutex_unlock(&buf->mutex);
- }
+ if (tty_audit_push())
+ return;

- if (audit_enabled && (current->signal->audit_tty & AUDIT_TTY_ENABLE)) {
+ if (audit_enabled) {
kuid_t auid;
unsigned int sessionid;

--
2.7.0