From 5ef547326f6dcc99fecde30a9f52af5adf2ed2ec Mon Sep 17 00:00:00 2001
From: Mingjie Shen <shen497@purdue.edu>
Date: Thu, 25 May 2023 16:33:56 -0400
Subject: [PATCH] check return value of malloc() for null

---
 core/teeny_usb_no_os.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/teeny_usb_no_os.c b/core/teeny_usb_no_os.c
index 91fa938..136ef88 100644
--- a/core/teeny_usb_no_os.c
+++ b/core/teeny_usb_no_os.c
@@ -146,7 +146,9 @@ struct _tusb_ev
 tusb_ev_t* tusb_ev_create(void)
 {
     tusb_ev_t* ev = (tusb_ev_t*)tusb_malloc(sizeof(tusb_ev_t));
-    ev->event = 0;
+    if (ev) {
+        ev->event = 0;
+    }
     return ev;
 }
 #endif