[PATCH] audit/accounting: tty locking

[pandora-kernel.git] / kernel / auditsc.c

diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index fb83c5c..1051476 100644 (file)
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -817,6 +817,8 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
                audit_log_format(ab, " success=%s exit=%ld", 
                                 (context->return_valid==AUDITSC_SUCCESS)?"yes":"no",
                                 context->return_code);
+
+       mutex_lock(&tty_mutex);
        if (tsk->signal && tsk->signal->tty && tsk->signal->tty->name)
                tty = tsk->signal->tty->name;
        else
@@ -838,6 +840,9 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
                  context->gid,
                  context->euid, context->suid, context->fsuid,
                  context->egid, context->sgid, context->fsgid, tty);
+
+       mutex_unlock(&tty_mutex);
+
        audit_log_task_info(ab, tsk);
        if (context->filterkey) {
                audit_log_format(ab, " key=");