diff options
| author | Simon Glass <sjg@chromium.org> | 2025-05-02 08:46:51 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2025-05-30 09:49:32 +0100 |
| commit | 5bca4798971a1ea32c43994e35f63f1964b2ddf6 (patch) | |
| tree | 92c71dcf221519bfb4b3b8bf573b47d3ec4e1819 | |
| parent | 0dc8c7740c8f5a7155259f0e55618f8006c0d7af (diff) | |
expo: Adjust expo_poll() to avoid looping forever
If the user does not quickly provide some input, exit so that other
things can be done, such as searching for the next OS.
Signed-off-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | boot/expo.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/boot/expo.c b/boot/expo.c index 7dbcac78c22..ee8ffaf8920 100644 --- a/boot/expo.c +++ b/boot/expo.c @@ -326,12 +326,14 @@ int expo_poll(struct expo *exp, struct expo_action *act) ichar = cli_ch_process(&exp->cch, 0); if (!ichar) { - while (!ichar && !tstc()) { + int i; + + for (i = 0; i < 10 && !ichar && !tstc(); i++) { schedule(); mdelay(2); ichar = cli_ch_process(&exp->cch, -ETIMEDOUT); } - if (!ichar) { + while (!ichar && tstc()) { ichar = getchar(); ichar = cli_ch_process(&exp->cch, ichar); } |