Fix access to REG_R0 at chx_wakeup.

2017-05-18 11:09:03 +09:00
parent 89eb54929e
commit 7798e620a6
2 changed files with 5 additions and 1 deletions
--- a/chopstx.c
+++ b/chopstx.c
@@ -918,8 +918,8 @@ chx_wakeup (struct chx_pq *pq)
    }
  else
    {
-      ((struct chx_stack_regs *)tp->tc.reg[REG_SP])->reg[REG_R0] = 1;
      tp = (struct chx_thread *)pq;
+      ((struct chx_stack_regs *)tp->tc.reg[REG_SP])->reg[REG_R0] = 1;
      chx_ready_enqueue (tp);
      if (tp->prio > running->prio)
 	yield = 1;