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[AUDIT] return EINTR not ERESTART*

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The syscall exit code will change ERESTART* kernel internal return codes
to EINTR if it does not restart the syscall.  Since we collect the audit
info before that point we should fix those in the audit log as well.

Signed-off-by: Eric Paris <eparis@redhat.com>
This commit is contained in:
Eric Paris 2008-01-07 13:34:51 -05:00 committed by Al Viro
parent bfef93a5d1
commit f701b75ed5
1 changed files with 18 additions and 1 deletions
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17
kernel/auditsc.c
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@ -701,6 +701,23 @@ static inline struct audit_context *audit_get_context(struct task_struct *tsk,
if (likely(!context))
return NULL;
context->return_valid = return_valid;
/*
* we need to fix up the return code in the audit logs if the actual
* return codes are later going to be fixed up by the arch specific
* signal handlers
*
* This is actually a test for:
* (rc == ERESTARTSYS ) || (rc == ERESTARTNOINTR) ||
* (rc == ERESTARTNOHAND) || (rc == ERESTART_RESTARTBLOCK)
*
* but is faster than a bunch of ||
*/
if (unlikely(return_code <= -ERESTARTSYS) &&
(return_code >= -ERESTART_RESTARTBLOCK) &&
(return_code != -ENOIOCTLCMD))
context->return_code = -EINTR;
else
context->return_code = return_code;
if (context->in_syscall && !context->dummy && !context->auditable) {