4.19-stable review patch. If anyone has any objections, please let me know.
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From: Ian Ray ian.ray@gehealthcare.com
commit 0b00583ecacb0b51712a5ecd34cf7e6684307c67 upstream.
USB_DEVICE(0x1901, 0x0006) may send data before cdc_acm is ready, which may be misinterpreted in the default N_TTY line discipline.
Signed-off-by: Ian Ray ian.ray@gehealthcare.com Acked-by: Oliver Neuku oneukum@suse.com Cc: stable stable@kernel.org Link: https://lore.kernel.org/r/20240814072905.2501-1-ian.ray@gehealthcare.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/usb/class/cdc-acm.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1807,6 +1807,9 @@ static const struct usb_device_id acm_id { USB_DEVICE(0x11ca, 0x0201), /* VeriFone Mx870 Gadget Serial */ .driver_info = SINGLE_RX_URB, }, + { USB_DEVICE(0x1901, 0x0006), /* GE Healthcare Patient Monitor UI Controller */ + .driver_info = DISABLE_ECHO, /* DISABLE ECHO in termios flag */ + }, { USB_DEVICE(0x1965, 0x0018), /* Uniden UBC125XLT */ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ },