From f434f53c354c71b2ce3f1102da486050af16bf86 Mon Sep 17 00:00:00 2001
From: jflyper <shinoda@jaist.ac.jp>
Date: Fri, 16 Nov 2018 16:42:46 +0900
Subject: [PATCH] Protect MAX7456 driver from unconfigured SPI

---
 src/main/drivers/max7456.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/drivers/max7456.c b/src/main/drivers/max7456.c
index 7d4a2ea161..b52cb90734 100644
--- a/src/main/drivers/max7456.c
+++ b/src/main/drivers/max7456.c
@@ -415,7 +415,7 @@ bool max7456Init(const max7456Config_t *max7456Config, const vcdProfile_t *pVcdP
 {
     max7456HardwareReset();
 
-    if (!max7456Config->csTag) {
+    if (!max7456Config->csTag || !max7456Config->spiDevice) {
         return false;
     }