diff options
| author | Pali Rohár <pali@kernel.org> | 2021-09-27 15:35:16 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-05 15:00:56 +0200 |
| commit | 4545b069aa2cd3287bf9399c02bdb3c829b75b75 (patch) | |
| tree | fa48143abc4202743b158778559c98b9df37ae5a /drivers/tty | |
| parent | 27e8c8b483a8c33bd770b8cf619d43c7a68ddbaa (diff) | |
tty: baudrate: Explicit usage of B0 for encoding input baudrate
Function tty_termios_input_baud_rate() checks IBSHIFT & CBAUD against B0
constant to determinate if input speed equals to output speed. So do same
B0 check also in tty_termios_encode_baud_rate() function to make these two
functions compatible.
Currently macro B0 is defined to 0 so there is no functional change.
This change just make code more explicit to show that Bnnn constants are
stored in CBAUD.
Signed-off-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20210927133516.8671-1-pali@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/tty_baudrate.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/tty_baudrate.c b/drivers/tty/tty_baudrate.c index 426b1252781a..d903e111dbcb 100644 --- a/drivers/tty/tty_baudrate.c +++ b/drivers/tty/tty_baudrate.c @@ -154,7 +154,7 @@ void tty_termios_encode_baud_rate(struct ktermios *termios, termios->c_ospeed = obaud; #ifdef IBSHIFT - if ((termios->c_cflag >> IBSHIFT) & CBAUD) + if (((termios->c_cflag >> IBSHIFT) & CBAUD) != B0) ibinput = 1; /* An input speed was specified */ #endif #ifdef BOTHER |