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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-04-11 09:30:50 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-04-11 09:30:50 -0700 |
| commit | 5f47992491ffe2d5b2b4ea3556bc0f3c0ec9bc8b (patch) | |
| tree | f43f81ab67d152c148bd3dfc1a0683d2c8306014 /drivers/usb/serial/digi_acceleport.c | |
| parent | 148e45dc87cb76ba89e80da264bc692cc91a5149 (diff) | |
| parent | bf16200689118d19de1b8d2a3c314fc21f5dc7bb (diff) | |
| download | op-kernel-dev-5f47992491ffe2d5b2b4ea3556bc0f3c0ec9bc8b.zip op-kernel-dev-5f47992491ffe2d5b2b4ea3556bc0f3c0ec9bc8b.tar.gz | |
Merge 4.6-rc3 into staging-next
This resolves a lot of merge issues with PAGE_CACHE_* changes, and an
iio driver merge issue.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial/digi_acceleport.c')
| -rw-r--r-- | drivers/usb/serial/digi_acceleport.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index 010a42a..16e8e37 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -1251,8 +1251,27 @@ static int digi_port_init(struct usb_serial_port *port, unsigned port_num) static int digi_startup(struct usb_serial *serial) { + struct device *dev = &serial->interface->dev; struct digi_serial *serial_priv; int ret; + int i; + + /* check whether the device has the expected number of endpoints */ + if (serial->num_port_pointers < serial->type->num_ports + 1) { + dev_err(dev, "OOB endpoints missing\n"); + return -ENODEV; + } + + for (i = 0; i < serial->type->num_ports + 1 ; i++) { + if (!serial->port[i]->read_urb) { + dev_err(dev, "bulk-in endpoint missing\n"); + return -ENODEV; + } + if (!serial->port[i]->write_urb) { + dev_err(dev, "bulk-out endpoint missing\n"); + return -ENODEV; + } + } serial_priv = kzalloc(sizeof(*serial_priv), GFP_KERNEL); if (!serial_priv) |
