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| author | Vic Yang <victoryang@chromium.org> | 2012-02-29 11:13:27 -0800 |
|---|---|---|
| committer | Vic Yang <victoryang@chromium.org> | 2012-02-29 11:13:27 -0800 |
| commit | d1e627926f7cdad2ee2428a3cfe3c64cf959afde (patch) | |
| tree | db56034fa8568e731e63ec75dec8967c494b54f4 /common | |
| parent | 13b5c41951c2da3e90ac115a3dbe8aaddb959782 (diff) | |
| download | chrome-ec-d1e627926f7cdad2ee2428a3cfe3c64cf959afde.tar.gz | |
Fix a bug causing console history to miss a character.
If the last command is saved at the beginning of the buffer, loading
this command will lead to a character missing.
Signed-off-by: Vic Yang <victoryang@chromium.org>
BUG=chrome-os-partner:8261
TEST=Manual
Change-Id: I0afd4a264f342137955075fe2950444691f79d35
Diffstat (limited to 'common')
| -rw-r--r-- | common/uart_buffering.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/common/uart_buffering.c b/common/uart_buffering.c index 4706ce895d..6eea74329a 100644 --- a/common/uart_buffering.c +++ b/common/uart_buffering.c @@ -197,7 +197,7 @@ static void history_save(void) if (hist_id == cmd_history_tail) tail = 0; else - tail = cmd_history[CMD_HIST_PREV(hist_id)].head + 1; + tail = RX_BUF_NEXT(cmd_history[CMD_HIST_PREV(hist_id)].head); head = tail; for (ptr = 0; ptr < rx_cur_buf_head; ++ptr, head = RX_BUF_NEXT(head)) rx_buf[head] = rx_cur_buf[ptr]; |