From 796cd36f85bfaf794df6ceaebbea9b3b4c55ece1 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Sat, 2 May 2020 19:24:52 +0200
Subject: [PATCH] chg: better error message when serial port allocation fails

---
 client/src/uart/uart_posix.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/client/src/uart/uart_posix.c b/client/src/uart/uart_posix.c
index 8a624934d..076c02ddf 100644
--- a/client/src/uart/uart_posix.c
+++ b/client/src/uart/uart_posix.c
@@ -88,7 +88,11 @@ int uart_reconfigure_timeouts(uint32_t value) {
 
 serial_port uart_open(const char *pcPortName, uint32_t speed) {
     serial_port_unix *sp = calloc(sizeof(serial_port_unix), sizeof(uint8_t));
-    if (sp == 0) return INVALID_SERIAL_PORT;
+
+    if (sp == 0) {
+        PrintAndLogEx(ERR, "UART failed to allocate memory");
+        return INVALID_SERIAL_PORT;
+    }
 
     // init timeouts
     timeout.tv_usec = UART_FPC_CLIENT_RX_TIMEOUT_MS * 1000;