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| author | Souptick Joarder <jrdr.linux@gmail.com> | 2018-04-14 19:04:29 +0300 |
|---|---|---|
| committer | Inki Dae <inki.dae@samsung.com> | 2018-05-09 03:27:25 +0300 |
| commit | 8a8d9b2c38d9e050bec8d203ba2fb40c663c1b9c (patch) | |
| tree | dd067b4fd65cf285402aae9fdb993f4792173992 /drivers/gpu/drm/exynos/exynos_drm_gem.c | |
| parent | bec923c50ab550d1d53b297dd4c753db18a13204 (diff) | |
| download | linux-8a8d9b2c38d9e050bec8d203ba2fb40c663c1b9c.tar.xz | |
gpu: drm: exynos: Change return type to vm_fault_t
Use new return type vm_fault_t for fault handler
in struct vm_operations_struct.
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_gem.c | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index 11cc01b47bc0..6e1494fa71b4 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -431,37 +431,24 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv, return 0; } -int exynos_drm_gem_fault(struct vm_fault *vmf) +vm_fault_t exynos_drm_gem_fault(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; struct drm_gem_object *obj = vma->vm_private_data; struct exynos_drm_gem *exynos_gem = to_exynos_gem(obj); unsigned long pfn; pgoff_t page_offset; - int ret; page_offset = (vmf->address - vma->vm_start) >> PAGE_SHIFT; if (page_offset >= (exynos_gem->size >> PAGE_SHIFT)) { DRM_ERROR("invalid page offset\n"); - ret = -EINVAL; - goto out; + return VM_FAULT_SIGBUS; } pfn = page_to_pfn(exynos_gem->pages[page_offset]); - ret = vm_insert_mixed(vma, vmf->address, __pfn_to_pfn_t(pfn, PFN_DEV)); - -out: - switch (ret) { - case 0: - case -ERESTARTSYS: - case -EINTR: - return VM_FAULT_NOPAGE; - case -ENOMEM: - return VM_FAULT_OOM; - default: - return VM_FAULT_SIGBUS; - } + return vmf_insert_mixed(vma, vmf->address, + __pfn_to_pfn_t(pfn, PFN_DEV)); } static int exynos_drm_gem_mmap_obj(struct drm_gem_object *obj, |