Index: sys/kern/kern_exec.c
===================================================================
--- sys/kern/kern_exec.c
+++ sys/kern/kern_exec.c
@@ -1985,7 +1985,7 @@
 	struct proc *p;
 	int error, locked;
 
-	cp = (struct coredump_params *)arg;
+	cp = arg;
 	p = cp->td->td_proc;
 
 	/*