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serial: jsm: Use B0 instead of 0 

Use B0 to check zero baudrate rather than literal 0.

While at it, remove extra parenthesis around CBAUD.

Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220513082906.11096-6-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2022-05-13 11:29:06 +03:00 committed by Greg Kroah-Hartman
parent 503f418b10
commit 2da6f1e5f7
2 changed files with 2 additions and 2 deletions
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2
drivers/tty/serial/jsm/jsm_cls.c
View File

@ -689,7 +689,7 @@ static void cls_param(struct jsm_channel *ch)
/*
* If baud rate is zero, flush queues, and set mval to drop DTR.
*/
if ((ch->ch_c_cflag & (CBAUD)) == 0) {
if ((ch->ch_c_cflag & CBAUD) == B0) {
ch->ch_r_head = 0;
ch->ch_r_tail = 0;
ch->ch_e_head = 0;

2
drivers/tty/serial/jsm/jsm_neo.c
View File

@ -938,7 +938,7 @@ static void neo_param(struct jsm_channel *ch)
/*
* If baud rate is zero, flush queues, and set mval to drop DTR.
*/
if ((ch->ch_c_cflag & (CBAUD)) == 0) {
if ((ch->ch_c_cflag & CBAUD) == B0) {
ch->ch_r_head = ch->ch_r_tail = 0;
ch->ch_e_head = ch->ch_e_tail = 0;