From 1fc4a734bd0938fba4bdb75741eae250c9dc2263 Mon Sep 17 00:00:00 2001
From: Paul Mathieu <paul@ponteilla.net>
Date: Sun, 19 Jun 2022 09:34:10 +0200
Subject: [PATCH] arm: fix bug in uart HAL

---
 arm/hal/uart/xuartlite_intr.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arm/hal/uart/xuartlite_intr.c b/arm/hal/uart/xuartlite_intr.c
index 5c42c8c..f11d9cb 100644
--- a/arm/hal/uart/xuartlite_intr.c
+++ b/arm/hal/uart/xuartlite_intr.c
@@ -178,7 +178,9 @@ static void ReceiveDataHandler(XUartLite *InstancePtr)
 	 */
 	if (InstancePtr->ReceiveBuffer.RemainingBytes != 0) {
 		XUartLite_ReceiveBuffer(InstancePtr);
-	}
+	} else {
+        return;
+    }
 
 	/*
 	 * If the last byte of a message was received then call the application