diff options
| author | Patrick Delaunay <patrick.delaunay@st.com> | 2018-08-03 13:38:45 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-09-10 20:20:34 -0400 |
| commit | 555e378ca7658e817986e18e4a3f214a7fac60ad (patch) | |
| tree | fd5ed7fbde3a5c8881a6f678a39254dfbaf2b7c5 | |
| parent | 273a12526c6b6278a79f1bdf7f6cc50a32938b28 (diff) | |
cli: handle getch error
Handle getch error (when getch return 0x0) to avoid display issue
in the console.
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
| -rw-r--r-- | common/cli_readline.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/common/cli_readline.c b/common/cli_readline.c index 60a232b065..99b631720e 100644 --- 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; |