fix: address warning

zfields · zfields · commit 51b7731058a1 · 2021-03-08T22:04:52.000-06:00
diff --git a/cores/arduino/SafeRingBuffer.h b/cores/arduino/SafeRingBuffer.h
@@ -41,6 +41,7 @@ int SafeRingBufferN<N>::read_char() {
   synchronized {
     return RingBufferN<N>::read_char();
   }
+  return -1;
 }
 
 template <int N>

Original file line number	Diff line number	Diff line change
`@@ -41,6 +41,7 @@ int SafeRingBufferN<N>::read_char() {`
`41`	`41`	`synchronized {`
`42`	`42`	`return RingBufferN<N>::read_char();`
`43`	`43`	`}`
	`44`	`+ return -1;`
`44`	`45`	`}`
`45`	`46`
`46`	`47`	`template <int N>`