From 5b974bed7a3e0e5367574c7c7a468dfababfb8a7 Mon Sep 17 00:00:00 2001
From: taaki2311 <100316439+taaki2311@users.noreply.github.com>
Date: Thu, 10 Apr 2025 10:30:30 -0400
Subject: [PATCH] Fixed uninitialized warning

The "status" variable in usart_get_handle() was not initialized. Thus a random value could be returned if every if-statement was passed. This fixes the warning and removes that possibility, making the code more deterministic.
---
 .../silabs/si91x/mcu/drivers/unified_api/src/sl_si91x_usart.c   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/device/silabs/si91x/mcu/drivers/unified_api/src/sl_si91x_usart.c b/components/device/silabs/si91x/mcu/drivers/unified_api/src/sl_si91x_usart.c
index 07b7c6f1b..6b03d7ace 100644
--- a/components/device/silabs/si91x/mcu/drivers/unified_api/src/sl_si91x_usart.c
+++ b/components/device/silabs/si91x/mcu/drivers/unified_api/src/sl_si91x_usart.c
@@ -99,7 +99,7 @@ static usart_peripheral_t get_usart_instance(sl_usart_handle_t usart_handle);
  ******************************************************************************/
 static sl_status_t usart_get_handle(usart_peripheral_t usart_instance, sl_usart_handle_t *usart_handle)
 {
-  sl_status_t status;
+  sl_status_t status = SL_STATUS_FAIL;
   do {
     // Check for USART instance valid
     if (usart_instance >= UARTLAST) {