Remove unused diagnostic function cread_free_thread().

Approved by:	alfred

3 files changed, 0 insertions, 19 deletions

diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c
index 5088645..016653b 100644
--- a/sys/kern/kern_fork.c
+++ b/sys/kern/kern_fork.c
@@ -842,9 +842,6 @@ fork_exit(callout, arg, frame)
 		kthread_exit(0);
 	}
 	PROC_UNLOCK(p);
-#ifdef DIAGNOSTIC
-	cred_free_thread(td);
-#endif
 	mtx_assert(&Giant, MA_NOTOWNED);
 }
 
diff --git a/sys/kern/kern_prot.c b/sys/kern/kern_prot.c
index 20273ce..a3e4bea 100644
--- a/sys/kern/kern_prot.c
+++ b/sys/kern/kern_prot.c
@@ -1767,19 +1767,6 @@ crdup(struct ucred *cr)
 	return (newcr);
 }
 
-#ifdef DIAGNOSTIC
-void
-cred_free_thread(struct thread *td)
-{
-	struct ucred *cred;
-
-	cred = td->td_ucred;
-	td->td_ucred = NULL;
-	if (cred != NULL)
-		crfree(cred);
-}
-#endif
-
 /*
  * Fill in a struct xucred based on a struct ucred.
  */
diff --git a/sys/kern/subr_trap.c b/sys/kern/subr_trap.c
index add54bc..3b415de 100644
--- a/sys/kern/subr_trap.c
+++ b/sys/kern/subr_trap.c
@@ -205,8 +205,5 @@ ast(framep)
 	}
 
 	userret(td, framep, sticks);
-#ifdef DIAGNOSTIC
-	cred_free_thread(td);
-#endif
 	mtx_assert(&Giant, MA_NOTOWNED);
 }