<p><b>@smlng</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/RIOT-OS/RIOT/pull/9908#discussion_r252983871">cpu/lpc1768/periph/uart.c</a>:</p>
<pre style='color:#555'>> @@ -140,7 +140,7 @@ static int init_base(uart_t uart, uint32_t baudrate)
 
 void uart_write(uart_t uart, const uint8_t *data, size_t len)
 {
-    LPC_UART_TypeDef *dev;
+    LPC_UART_TypeDef *dev = NULL;
</pre>
<p>No I can say: "told you so", now you get the:</p>
<pre><code>cpu/lpc1768/periph/uart.c:162: warning (nullPointer): Possible null pointer dereference: dev
</code></pre>
<p>(again)</p>

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