From 7be17bb0c9b5c2bc4a6dfdfc0db363ba75e914e6 Mon Sep 17 00:00:00 2001
From: Frederic Pillon <frederic.pillon@st.com>
Date: Mon, 4 Nov 2024 16:31:02 +0100
Subject: [PATCH] fix(spi): ensure spi_t structure properly init

Fixes #2543

Signed-off-by: Frederic Pillon <frederic.pillon@st.com>
---
 libraries/SPI/src/SPI.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libraries/SPI/src/SPI.cpp b/libraries/SPI/src/SPI.cpp
index 14f5b33f54..be638a2cc7 100644
--- a/libraries/SPI/src/SPI.cpp
+++ b/libraries/SPI/src/SPI.cpp
@@ -37,6 +37,7 @@ SPIClass SPI;
   */
 SPIClass::SPIClass(uint32_t mosi, uint32_t miso, uint32_t sclk, uint32_t ssel)
 {
+  memset((void *)&_spi, 0, sizeof(_spi));
   _spi.pin_miso = digitalPinToPinName(miso);
   _spi.pin_mosi = digitalPinToPinName(mosi);
   _spi.pin_sclk = digitalPinToPinName(sclk);