1 files changed, 2 insertions, 1 deletions
diff --git a/syscall.c b/syscall.c
index 787eb64..03fe608 100644
--- a/syscall.c
+++ b/syscall.c
@@ -39,7 +39,7 @@ fetcharg(int argno, int *ip)
   unsigned esp;
 
   esp = (unsigned) curproc[cpu()]->tf->tf_esp;
-  return fetchint(curproc[cpu()], esp + 8 + 4*argno, ip);
+  return fetchint(curproc[cpu()], esp + 4 + 4*argno, ip);
 }
 
 int
@@ -178,6 +178,7 @@ sys_exit()
     if(p->ppid == cp->pid)
       p->pid = 1;
 
+  // switch into scheduler
   swtch();
 
   return 0;