On Wed, Aug 18, 2004 at 10:56:09PM -0400, Kyle Harris wrote:
> Hi,
>
> I'm trying to make this work. The driver only creates mulitple ports if there
> are multiple bulk_out endpoints. My device has 2 bulk_in and one bulk_out.
> So I made the following change:
>
> #ifdef CONFIG_USB_SERIAL_GENERIC
> if (type == &usb_serial_generic_device) {
> - num_ports = num_bulk_out;
> + num_ports = max(num_bulk_out, num_bulk_in);
> if (num_ports == 0) {
> dev_err(&interface->dev, "Generic device with no bulk
> out, not allowed.\n");
> kfree (serial);
How does this work for your device? Your driver isn't the
usb_serial_generic_device, right? What kernel version are you using?
> Then everything appears to work fine, until I plug in another, different
> device (max_endpoints = 1) while the first (max_endpoints = 2) remains
> inserted. Then I get a kernel oops due to a null dentry ptr passed to
> create_dir() as follows:
That oops doesn't look like it came from this change, as it's saying it
happens when a module is being loaded.
thanks,
greg k-h
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