diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-02-22 01:12:47 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-02-22 01:12:47 -0300 |
commit | 6d461a4fe7896faa1aec5a5417888cf179e46b9f (patch) | |
tree | 2e0f1a0b7a5418189c8d53592d33a44d0b356fc9 /drivers/usb/serial/visor.c | |
parent | 5c545e1fb127a4b11ddc5f1a5ed066b853dd1a1a (diff) |
Linux-libre 4.4.2-gnupck-4.4.2-gnu
Diffstat (limited to 'drivers/usb/serial/visor.c')
-rw-r--r-- | drivers/usb/serial/visor.c | 11 |
1 files changed, 9 insertions, 2 deletions
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]; |