VM: add "vm_mmap()" helper function
[~shefty/rdma-dev.git] / drivers / gpu / drm / exynos / exynos_drm_gem.c
index 26d5197..392ce71 100644 (file)
@@ -581,10 +581,8 @@ int exynos_drm_gem_mmap_ioctl(struct drm_device *dev, void *data,
        obj->filp->f_op = &exynos_drm_gem_fops;
        obj->filp->private_data = obj;
 
-       down_write(&current->mm->mmap_sem);
-       addr = do_mmap(obj->filp, 0, args->size,
+       addr = vm_mmap(obj->filp, 0, args->size,
                        PROT_READ | PROT_WRITE, MAP_SHARED, 0);
-       up_write(&current->mm->mmap_sem);
 
        drm_gem_object_unreference_unlocked(obj);