| Message ID | 20210311133714.31881-1-oneukum@suse.com |
|---|---|
| State | New |
| Headers | show |
| Series | cdc-acm: fix BREAK rx code path adding necessary calls | expand |
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index b05207bc8265..fd2fce072985 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -326,8 +326,10 @@ static void acm_process_notification(struct acm *acm, unsigned char *buf) acm->iocount.dsr++; if (difference & ACM_CTRL_DCD) acm->iocount.dcd++; - if (newctrl & ACM_CTRL_BRK) + if (newctrl & ACM_CTRL_BRK) { acm->iocount.brk++; + tty_insert_flip_char(&acm->port, 0, TTY_BREAK); + } if (newctrl & ACM_CTRL_RI) acm->iocount.rng++; if (newctrl & ACM_CTRL_FRAMING)
Counting break events is nice but we should actually report them to the tty layer. Fixes: 5a6a62bdb9257 ("cdc-acm: add TIOCMIWAIT") Signed-off-by: Oliver Neukum <oneukum@suse.com> --- drivers/usb/class/cdc-acm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)