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| author | Jiri Kosina <jkosina@suse.com> | 2024-03-13 21:17:33 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.com> | 2024-03-13 21:17:33 +0100 |
| commit | 2e21dee6a46a66e4c2ced778485e1044101edee4 (patch) | |
| tree | b9a9565cf9e3954ad316c343715b43b401c51074 /drivers/usb/class/cdc-acm.c | |
| parent | 9a5b1521e2d0d7ace70c6e5eed073babcec91409 (diff) | |
| parent | 90184f90c9ac559062a04aca72e5d05730164de0 (diff) | |
Merge branch 'for-6.9/amd-sfh' into for-linus
- assorted fixes and optimizations for amd-sfh (Basavaraj Natikar)
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index a1f4e1ead97f..0e7439dba8fe 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -916,6 +916,9 @@ static int acm_tty_break_ctl(struct tty_struct *tty, int state) struct acm *acm = tty->driver_data; int retval; + if (!(acm->ctrl_caps & USB_CDC_CAP_BRK)) + return -EOPNOTSUPP; + retval = acm_send_break(acm, state ? 0xffff : 0); if (retval < 0) dev_dbg(&acm->control->dev, |