Hi Sean,
On Mon, Apr 16, 2018 at 8:32 PM, Souptick Joarder <jrdr.linux@xxxxxxxxx> wrote:
> Use new return type vm_fault_t for fault handler.
>
> Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>
> Reviewed-by: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/vgem/vgem_drv.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
> index 2524ff1..c64a859 100644
> --- a/drivers/gpu/drm/vgem/vgem_drv.c
> +++ b/drivers/gpu/drm/vgem/vgem_drv.c
> @@ -61,13 +61,13 @@ static void vgem_gem_free_object(struct drm_gem_object *obj)
> kfree(vgem_obj);
> }
>
> -static int vgem_gem_fault(struct vm_fault *vmf)
> +static vm_fault_t vgem_gem_fault(struct vm_fault *vmf)
> {
> struct vm_area_struct *vma = vmf->vma;
> struct drm_vgem_gem_object *obj = vma->vm_private_data;
> /* We don't use vmf->pgoff since that has the fake offset */
> unsigned long vaddr = vmf->address;
> - int ret;
> + vm_fault_t ret = VM_FAULT_SIGBUS;
> loff_t num_pages;
> pgoff_t page_offset;
> page_offset = (vaddr - vma->vm_start) >> PAGE_SHIFT;
> @@ -77,7 +77,6 @@ static int vgem_gem_fault(struct vm_fault *vmf)
> if (page_offset > num_pages)
> return VM_FAULT_SIGBUS;
>
> - ret = -ENOENT;
> mutex_lock(&obj->pages_lock);
> if (obj->pages) {
> get_page(obj->pages[page_offset]);
> --
> 1.9.1
>
Any further comment on this patch ?
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