AcoSail/kernel_optimize_test
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[PATCH] move call of audit_free() into do_exit()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2006-03-29 20:30:19 -05:00
parent d6fe3945b4
commit fa84cb935d
3 changed files with 4 additions and 10 deletions
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9
kernel/auditsc.c
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@ -698,19 +698,12 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
* audit_free - free a per-task audit context * audit_free - free a per-task audit context
* @tsk: task whose audit context block to free * @tsk: task whose audit context block to free
* *
* Called from copy_process and __put_task_struct. * Called from copy_process and do_exit
*/ */
void audit_free(struct task_struct *tsk) void audit_free(struct task_struct *tsk)
{ {
struct audit_context *context; struct audit_context *context;
/*
* No need to lock the task - when we execute audit_free()
* then the task has no external references anymore, and
* we are tearing it down. (The locking also confuses
* DEBUG_LOCKDEP - this freeing may occur in softirq
* contexts as well, via RCU.)
*/
context = audit_get_context(tsk, 0, 0); context = audit_get_context(tsk, 0, 0);
if (likely(!context)) if (likely(!context))
return; return;

3
kernel/exit.c
View File

@ -35,6 +35,7 @@
#include <linux/futex.h> #include <linux/futex.h>
#include <linux/compat.h> #include <linux/compat.h>
#include <linux/pipe_fs_i.h> #include <linux/pipe_fs_i.h>
#include <linux/audit.h> /* for audit_free() */
#include <asm/uaccess.h> #include <asm/uaccess.h>
#include <asm/unistd.h> #include <asm/unistd.h>
@ -910,6 +911,8 @@ fastcall NORET_TYPE void do_exit(long code)
if (unlikely(tsk->compat_robust_list)) if (unlikely(tsk->compat_robust_list))
compat_exit_robust_list(tsk); compat_exit_robust_list(tsk);
#endif #endif
if (unlikely(tsk->audit_context))
audit_free(tsk);
exit_mm(tsk); exit_mm(tsk);
exit_sem(tsk); exit_sem(tsk);

2
kernel/fork.c
View File

@ -114,8 +114,6 @@ void __put_task_struct(struct task_struct *tsk)
WARN_ON(atomic_read(&tsk->usage)); WARN_ON(atomic_read(&tsk->usage));
WARN_ON(tsk == current); WARN_ON(tsk == current);
if (unlikely(tsk->audit_context))
audit_free(tsk);
security_task_free(tsk); security_task_free(tsk);
free_uid(tsk->user); free_uid(tsk->user);
put_group_info(tsk->group_info); put_group_info(tsk->group_info);