50 static void drm_sg_cleanup(struct drm_sg_mem * entry)  in drm_sg_cleanup()  argument
55 	for (i = 0; i < entry->pages; i++) {  in drm_sg_cleanup()
56 		page = entry->pagelist[i];  in drm_sg_cleanup()
61 	vfree(entry->virtual);  in drm_sg_cleanup()
63 	kfree(entry->busaddr);  in drm_sg_cleanup()
64 	kfree(entry->pagelist);  in drm_sg_cleanup()
65 	kfree(entry);  in drm_sg_cleanup()
86 	struct drm_sg_mem *entry;  in drm_legacy_sg_alloc()  local
100 	entry = kzalloc(sizeof(*entry), GFP_KERNEL);  in drm_legacy_sg_alloc()
101 	if (!entry)  in drm_legacy_sg_alloc()
107 	entry->pages = pages;  in drm_legacy_sg_alloc()
108 	entry->pagelist = kcalloc(pages, sizeof(*entry->pagelist), GFP_KERNEL);  in drm_legacy_sg_alloc()
109 	if (!entry->pagelist) {  in drm_legacy_sg_alloc()
110 		kfree(entry);  in drm_legacy_sg_alloc()
114 	entry->busaddr = kcalloc(pages, sizeof(*entry->busaddr), GFP_KERNEL);  in drm_legacy_sg_alloc()
115 	if (!entry->busaddr) {  in drm_legacy_sg_alloc()
116 		kfree(entry->pagelist);  in drm_legacy_sg_alloc()
117 		kfree(entry);  in drm_legacy_sg_alloc()
121 	entry->virtual = drm_vmalloc_dma(pages << PAGE_SHIFT);  in drm_legacy_sg_alloc()
122 	if (!entry->virtual) {  in drm_legacy_sg_alloc()
123 		kfree(entry->busaddr);  in drm_legacy_sg_alloc()
124 		kfree(entry->pagelist);  in drm_legacy_sg_alloc()
125 		kfree(entry);  in drm_legacy_sg_alloc()
132 	memset(entry->virtual, 0, pages << PAGE_SHIFT);  in drm_legacy_sg_alloc()
134 	entry->handle = ScatterHandle((unsigned long)entry->virtual);  in drm_legacy_sg_alloc()
136 	DRM_DEBUG("handle  = %08lx\n", entry->handle);  in drm_legacy_sg_alloc()
137 	DRM_DEBUG("virtual = %p\n", entry->virtual);  in drm_legacy_sg_alloc()
139 	for (i = (unsigned long)entry->virtual, j = 0; j < pages;  in drm_legacy_sg_alloc()
141 		entry->pagelist[j] = vmalloc_to_page((void *)i);  in drm_legacy_sg_alloc()
142 		if (!entry->pagelist[j])  in drm_legacy_sg_alloc()
144 		SetPageReserved(entry->pagelist[j]);  in drm_legacy_sg_alloc()
147 	request->handle = entry->handle;  in drm_legacy_sg_alloc()
149 	dev->sg = entry;  in drm_legacy_sg_alloc()
161 			tmp = page_address(entry->pagelist[i]);  in drm_legacy_sg_alloc()
167 			tmp = (unsigned long *)((u8 *) entry->virtual +  in drm_legacy_sg_alloc()
179 			tmp = page_address(entry->pagelist[i]);  in drm_legacy_sg_alloc()
194 	drm_sg_cleanup(entry);  in drm_legacy_sg_alloc()
202 	struct drm_sg_mem *entry;  in drm_legacy_sg_free()  local
210 	entry = dev->sg;  in drm_legacy_sg_free()
213 	if (!entry || entry->handle != request->handle)  in drm_legacy_sg_free()
216 	DRM_DEBUG("virtual  = %p\n", entry->virtual);  in drm_legacy_sg_free()
218 	drm_sg_cleanup(entry);  in drm_legacy_sg_free()