Comments (2)
It seems function static int fl2000_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) shall be changed to:
static int fl2000_vm_fault(struct vm_fault *vmf)
{
struct vm_area_struct *vma = vmf->vma;
...
This woks on Linux 4.11.2. However, I get yellow flashing screen only.......
from fl2000.
I've fixed the compiler errors on kernel 4.11.0, and usb_control_msg() failure. Starting from some kernel version, the USB core discriminates against data buffer from stack (eg. local variables) when using usb_control_transfer.
The following line shows the core team decides that buffer allocated from vmalloc() is banned when the client driver wishes to call usb_control_msg(). This is really rediculous.
http://elixir.free-electrons.com/linux/v3.18/source/drivers/usb/core/hcd.c#L1503
anyway, please try the latest code and see if it helps.
from fl2000.
Related Issues (20)
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