drivers/gpu/drm/xe/xe_svm.c:1615:48-51: ERROR: Missing resource_size with res

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f66469d9905b39d2c260a15d7d6db450f4db67c1
commit: 8a52f4d9b1efc90eb338b0d59912e640400b9c63 drm/xe: Use the drm_pagemap cache and shrinker
date:   11 months ago
config: loongarch-randconfig-r2105-20261104 (https://download.01.org/0day-ci/archive/20261106/202611060555.alPmrU8P-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project e2e3d6c39cfebec9eace23629a5a103df2c79ba6)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Fixes: 8a52f4d9b1ef ("drm/xe: Use the drm_pagemap cache and shrinker")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202611060555.alPmrU8P-lkp@intel.com/

cocci warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/xe/xe_svm.c:1615:48-51: ERROR: Missing resource_size with res

vim +1615 drivers/gpu/drm/xe/xe_svm.c

  1563	
  1564	/**
  1565	 * xe_pagemap_create() - Create a struct xe_pagemap object
  1566	 * @xe: The xe device.
  1567	 * @vr: Back-pointer to the struct xe_vram_region.
  1568	 *
  1569	 * Allocate and initialize a struct xe_pagemap. On successful
  1570	 * return, drm_pagemap_put() on the embedded struct drm_pagemap
  1571	 * should be used to unreference.
  1572	 *
  1573	 * Return: Pointer to a struct xe_pagemap if successful. Error pointer
  1574	 * on failure.
  1575	 */
  1576	static struct xe_pagemap *xe_pagemap_create(struct xe_device *xe, struct xe_vram_region *vr)
  1577	{
  1578		struct device *dev = xe->drm.dev;
  1579		struct xe_pagemap *xpagemap;
  1580		struct dev_pagemap *pagemap;
  1581		struct drm_pagemap *dpagemap;
  1582		struct resource *res;
  1583		void *addr;
  1584		int err;
  1585	
  1586		xpagemap = kzalloc(sizeof(*xpagemap), GFP_KERNEL);
  1587		if (!xpagemap)
  1588			return ERR_PTR(-ENOMEM);
  1589	
  1590		pagemap = &xpagemap->pagemap;
  1591		dpagemap = &xpagemap->dpagemap;
  1592		INIT_WORK(&xpagemap->destroy_work, xe_pagemap_destroy_work);
  1593		xpagemap->vr = vr;
  1594	
  1595		err = drm_pagemap_init(dpagemap, pagemap, &xe->drm, &xe_drm_pagemap_ops);
  1596		if (err)
  1597			goto out_no_dpagemap;
  1598	
  1599		res = devm_request_free_mem_region(dev, &iomem_resource,
  1600						   vr->usable_size);
  1601		if (IS_ERR(res)) {
  1602			err = PTR_ERR(res);
  1603			goto out_err;
  1604		}
  1605	
  1606		pagemap->type = MEMORY_DEVICE_PRIVATE;
  1607		pagemap->range.start = res->start;
  1608		pagemap->range.end = res->end;
  1609		pagemap->nr_range = 1;
  1610		pagemap->owner = xe_svm_devm_owner(xe);
  1611		pagemap->ops = drm_pagemap_pagemap_ops_get();
  1612		addr = devm_memremap_pages(dev, pagemap);
  1613		if (IS_ERR(addr)) {
  1614			err = PTR_ERR(addr);
> 1615			devm_release_mem_region(dev, res->start, res->end - res->start + 1);
  1616			goto out_err;
  1617		}
  1618		xpagemap->hpa_base = res->start;
  1619		return xpagemap;
  1620	
  1621	out_err:
  1622		drm_pagemap_put(dpagemap);
  1623		return ERR_PTR(err);
  1624	
  1625	out_no_dpagemap:
  1626		kfree(xpagemap);
  1627		return ERR_PTR(err);
  1628	}
  1629	

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