From 6d461a4fe7896faa1aec5a5417888cf179e46b9f Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Mon, 22 Feb 2016 01:12:47 -0300 Subject: Linux-libre 4.4.2-gnu --- drivers/usb/serial/visor.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'drivers/usb/serial/visor.c') diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c index 60afb39eb..337a0be89 100644 --- a/drivers/usb/serial/visor.c +++ b/drivers/usb/serial/visor.c @@ -544,6 +544,11 @@ static int treo_attach(struct usb_serial *serial) (serial->num_interrupt_in == 0)) return 0; + if (serial->num_bulk_in < 2 || serial->num_interrupt_in < 2) { + dev_err(&serial->interface->dev, "missing endpoints\n"); + return -ENODEV; + } + /* * It appears that Treos and Kyoceras want to use the * 1st bulk in endpoint to communicate with the 2nd bulk out endpoint, @@ -597,8 +602,10 @@ static int clie_5_attach(struct usb_serial *serial) */ /* some sanity check */ - if (serial->num_ports < 2) - return -1; + if (serial->num_bulk_out < 2) { + dev_err(&serial->interface->dev, "missing bulk out endpoints\n"); + return -ENODEV; + } /* port 0 now uses the modified endpoint Address */ port = serial->port[0]; -- cgit v1.2.3-54-g00ecf