avoid a bug w/ exit()

2008-08-28 00:53:24 +00:00 · 2008-08-28 00:53:24 +00:00 · 98754d687e
parent 56082468ea
commit 98754d687e
1 changed files with 1 additions and 0 deletions
--- a/proc.c
+++ b/proc.c
@ -126,6 +126,7 @@ copyproc(struct proc *p)
      kfree(np->kstack, KSTACKSIZE);
      np->kstack = 0;
      np->state = UNUSED;
+      np->parent = 0;
      return 0;
    }
    memmove(np->mem, p->mem, np->sz);