From d071d6869fadc5cabb047fe23219dfbb151322f9 Mon Sep 17 00:00:00 2001
From: Masayuki Ishikawa <masayuki.ishikawa@gmail.com>
Date: Tue, 4 Oct 2022 18:01:34 +0900
Subject: [PATCH] sched: irq: Refactor irq_spinlock.c

Summary:
- Call this_cpu() properly in spin_unlock_irqrestore()

Impact:
- None

Testing:
- Tested with spresense:wifi_smp

Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
---
 sched/irq/irq_spinlock.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sched/irq/irq_spinlock.c b/sched/irq/irq_spinlock.c
index 41638c8ea2d..c828b57ca5a 100644
--- a/sched/irq/irq_spinlock.c
+++ b/sched/irq/irq_spinlock.c
@@ -137,10 +137,9 @@ irqstate_t spin_lock_irqsave(spinlock_t *lock)
 
 void spin_unlock_irqrestore(spinlock_t *lock, irqstate_t flags)
 {
-  int me = this_cpu();
-
   if (NULL == lock)
     {
+      int me = this_cpu();
       DEBUGASSERT(0 < g_irq_spin_count[me]);
       g_irq_spin_count[me]--;