diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index d5138c3a156b..b84f7861e438 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1341,9 +1341,14 @@ int __must_check i915_gem_object_get_pages(struct drm_i915_gem_object *obj);
 static inline struct page *i915_gem_object_get_page(struct drm_i915_gem_object *obj, int n)
 {
 	struct scatterlist *sg = obj->pages->sgl;
-	while (n >= SG_MAX_SINGLE_ALLOC) {
+	int nents = obj->pages->nents;
+	while (nents > SG_MAX_SINGLE_ALLOC) {
+		if (n < SG_MAX_SINGLE_ALLOC - 1)
+			break;
+
 		sg = sg_chain_ptr(sg + SG_MAX_SINGLE_ALLOC - 1);
 		n -= SG_MAX_SINGLE_ALLOC - 1;
+		nents -= SG_MAX_SINGLE_ALLOC - 1;
 	}
 	return sg_page(sg+n);
 }