From bd34794d263302e2c82290e53a3860093528ae32 Mon Sep 17 00:00:00 2001
From: wh201906 <wh201906@yandex.com>
Date: Mon, 16 Oct 2023 21:12:14 +0800
Subject: [PATCH] Add error handling

---
 client/src/uart/uart_posix.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/client/src/uart/uart_posix.c b/client/src/uart/uart_posix.c
index b864da4b1..ff2a6cde3 100644
--- a/client/src/uart/uart_posix.c
+++ b/client/src/uart/uart_posix.c
@@ -509,6 +509,10 @@ int uart_receive(const serial_port sp, uint8_t *pbtRx, uint32_t pszMaxRxLen, uin
                 res = read(spu->fd, transitBuf, RingBuf_getAvailableSize(spu->udpBuffer));
                 RingBuf_enqueueBatch(spu->udpBuffer, transitBuf, res);
             }
+            // Stop if the OS has some troubles reading the data
+            if (res < 0) {
+                return PM3_EIO;
+            }
             continue;
         }