nyan-big: add padding to its file

[oweals/u-boot.git] / common / cli_readline.c

diff --git a/common/cli_readline.c b/common/cli_readline.c
index ecded11ca3985f27b132ef4d20f7e79ee02c8379..99b631720e17b02fdc41f524d7a733b19bb72750 100644 (file)
--- a/common/cli_readline.c
+++ b/common/cli_readline.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2000
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
@@ -5,8 +6,6 @@
  * Add to readline cmdline-editing by
  * (C) Copyright 2005
  * JinHua Luo, GuangDong Linux Center, <luo.jinhua@gd-linux.com>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -274,6 +273,10 @@ static int cread_line(const char *const prompt, char *buf, unsigned int *len,
 
                ichar = getcmd_getch();
 
+               /* ichar=0x0 when error occurs in U-Boot getc */
+               if (!ichar)
+                       continue;
+
                if ((ichar == '\n') || (ichar == '\r')) {
                        putc('\n');
                        break;