efi_loader: SignalEvent for event in signaled state

[platform/kernel/u-boot.git] / common / cli_readline.c

diff --git a/common/cli_readline.c b/common/cli_readline.c
index 60a232b..99b6317 100644 (file)
--- a/common/cli_readline.c
+++ b/common/cli_readline.c
@@ -273,6 +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;