From 5357d66c93784e28e00d5970bb8dd0823f472051 Mon Sep 17 00:00:00 2001
From: Ilia Sergachev <ilia@sergachev.ch>
Date: Wed, 22 Dec 2021 02:54:32 +0100
Subject: [PATCH] software/libc: fix missing return

---
 litex/soc/software/libc/stdio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/litex/soc/software/libc/stdio.c b/litex/soc/software/libc/stdio.c
index fb558a3ed..bab8d1d99 100644
--- a/litex/soc/software/libc/stdio.c
+++ b/litex/soc/software/libc/stdio.c
@@ -33,6 +33,7 @@ litex_getc(FILE *file)
 			return uart_read();
 #endif
 	}
+	return -1;
 }
 
 static FILE __stdio = FDEV_SETUP_STREAM(litex_putc, litex_getc, NULL, _FDEV_SETUP_RW);