[UART] check if write data is valid

381e88ec · me-no-dev · f87107de · 381e88ec
Commit 381e88ec authored Oct 01, 2021 by me-no-dev
Hide whitespace changes
Inline Side-by-side

Showing with 1 addition and 1 deletion

cores/esp32/esp32-hal-uart.c cores/esp32/esp32-hal-uart.c +1 -1

No files found.
--- a/cores/esp32/esp32-hal-uart.c
+++ b/cores/esp32/esp32-hal-uart.c
@@ -269,7 +269,7 @@ void uartWrite(uart_t* uart, uint8_t c)

 void uartWriteBuf(uart_t* uart, const uint8_t * data, size_t len)
 {
-    if(uart == NULL) {
+    if(uart == NULL || data == NULL || !len) {
        return;
    }