[PATCH] gpu: drm: tegra: Adding new typedef vm_fault_t

[Souptick Joarder]

Use new return type vm_fault_t for fault handler
in vm_operations_struct.

Signed-off-by: Souptick Joarder <jrdr.li...@gmail.com>
---
 drivers/gpu/drm/tegra/gem.c | 18 ++----------------
 1 file changed, 2 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
index 49b9bf2..6121493 100644
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -422,14 +422,13 @@ int tegra_bo_dumb_create(struct drm_file *file, struct 
drm_device *drm,
        return 0;
 }

-static int tegra_bo_fault(struct vm_fault *vmf)
+static vm_fault_t tegra_bo_fault(struct vm_fault *vmf)
 {
        struct vm_area_struct *vma = vmf->vma;
        struct drm_gem_object *gem = vma->vm_private_data;
        struct tegra_bo *bo = to_tegra_bo(gem);
        struct page *page;
        pgoff_t offset;
-       int err;

        if (!bo->pages)
                return VM_FAULT_SIGBUS;
@@ -437,20 +436,7 @@ static int tegra_bo_fault(struct vm_fault *vmf)
        offset = (vmf->address - vma->vm_start) >> PAGE_SHIFT;
        page = bo->pages[offset];

-       err = vm_insert_page(vma, vmf->address, page);
-       switch (err) {
-       case -EAGAIN:
-       case 0:
-       case -ERESTARTSYS:
-       case -EINTR:
-       case -EBUSY:
-               return VM_FAULT_NOPAGE;
-
-       case -ENOMEM:
-               return VM_FAULT_OOM;
-       }
-
-       return VM_FAULT_SIGBUS;
+       return vmf_insert_page(vma, vmf->address, page);
 }

 const struct vm_operations_struct tegra_bo_vm_ops = {
--
1.9.1

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