X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=common%2Fcli_readline.c;h=99b631720e17b02fdc41f524d7a733b19bb72750;hb=407b5b956a2e0facf6668fc8b295f4be9205c83e;hp=ecded11ca3985f27b132ef4d20f7e79ee02c8379;hpb=fc18e9b3d5507845ea8a60a101ee3a368316068e;p=oweals%2Fu-boot.git

diff --git a/common/cli_readline.c b/common/cli_readline.c
index ecded11ca3..99b631720e 100644
--- 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;