Patch for the NVIDIA 340.108 (NVIDIA ION, etc) kernel module to make it compilable on new kernels (4.8 and later)

nvidia_340.108_4_8_kernel.patch

--- kernel/uvm/nvidia_uvm_lite.c	2019-12-12 00:04:24.000000000 +0200
+++ kernel/uvm/nvidia_uvm_lite.c	2020-11-19 02:15:59.338918014 +0200
@@ -820,7 +820,7 @@
 }
 
 #if defined(NV_VM_OPERATIONS_STRUCT_HAS_FAULT)
-int _fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+vm_fault_t _fault(struct vm_fault *vmf)
 {
 #if defined(NV_VM_FAULT_HAS_ADDRESS)
     unsigned long vaddr = vmf->address;
@@ -828,13 +828,14 @@
     unsigned long vaddr = (unsigned long)vmf->virtual_address;
 #endif
     struct page *page = NULL;
+    struct vm_area_struct *vma = vmf->vma;
     int retval;
 
     retval = _fault_common(vma, vaddr, &page, vmf->flags);
 
     vmf->page = page;
 
-    return retval;
+    return (__force vm_fault_t) retval;
 }
 
 #else
@@ -868,7 +869,7 @@
 // it's dealing with anonymous mapping (see handle_pte_fault).
 //
 #if defined(NV_VM_OPERATIONS_STRUCT_HAS_FAULT)
-int _sigbus_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+vm_fault_t _sigbus_fault(struct vm_fault *vmf)
 {
     vmf->page = NULL;
     return VM_FAULT_SIGBUS;