Handle getch error (when getch return 0x0) to avoid display issue in the console. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
@@ -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;