summaryrefslogtreecommitdiff
path: root/drivers/tty/tty_audit.c
diff options
context:
space:
mode:
authorPeter Hurley <peter@hurleysoftware.com>2016-01-09 22:55:31 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-01-27 16:41:04 -0800
commit37282a77954aa2dbb339d15902290f25b868d2e8 (patch)
treec4c04eac2ad8c45f3b56f4ef4615d4aec5ec1cb9 /drivers/tty/tty_audit.c
parentb50819f437c094b4beb2e8684fbe12bbe79fb331 (diff)
tty: audit: Combine push functions
tty_audit_push() and tty_audit_push_current() perform identical tasks; eliminate the tty_audit_push() implementation and the tty_audit_push_current() name. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/tty_audit.c')
-rw-r--r--drivers/tty/tty_audit.c35
1 files changed, 3 insertions, 32 deletions
diff --git a/drivers/tty/tty_audit.c b/drivers/tty/tty_audit.c
index 5ae48396e265..6b82c3ce321f 100644
--- a/drivers/tty/tty_audit.c
+++ b/drivers/tty/tty_audit.c
@@ -172,12 +172,11 @@ void tty_audit_tiocsti(struct tty_struct *tty, char ch)
}
/**
- * tty_audit_push_current - Flush current's pending audit data
+ * tty_audit_push - Flush current's pending audit data
*
- * Try to lock sighand and get a reference to the tty audit buffer if available.
- * Flush the buffer or return an appropriate error code.
+ * Returns 0 if success, -EPERM if tty audit is disabled
*/
-int tty_audit_push_current(void)
+int tty_audit_push(void)
{
struct tty_audit_buf *buf = ERR_PTR(-EPERM);
unsigned long flags;
@@ -309,31 +308,3 @@ void tty_audit_add_data(struct tty_struct *tty, const void *data, size_t size)
mutex_unlock(&buf->mutex);
tty_audit_buf_put(buf);
}
-
-/**
- * tty_audit_push - Push buffered data out
- *
- * Make sure no audit data is pending on the current process.
- */
-void tty_audit_push(void)
-{
- struct tty_audit_buf *buf;
- unsigned long flags;
-
- spin_lock_irqsave(&current->sighand->siglock, flags);
- if (likely(!current->signal->audit_tty)) {
- spin_unlock_irqrestore(&current->sighand->siglock, flags);
- return;
- }
- buf = current->signal->tty_audit_buf;
- if (buf)
- atomic_inc(&buf->count);
- spin_unlock_irqrestore(&current->sighand->siglock, flags);
-
- if (buf) {
- mutex_lock(&buf->mutex);
- tty_audit_buf_push(buf);
- mutex_unlock(&buf->mutex);
- tty_audit_buf_put(buf);
- }
-}