diff --git a/drivers/gpu/drm/drm_gem_framebuffer_helper.c b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
index 61339a9cd0101..768e0cf40c87e 100644
--- a/drivers/gpu/drm/drm_gem_framebuffer_helper.c
+++ b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
@@ -166,8 +166,8 @@ int drm_gem_fb_init_with_funcs(struct drm_device *dev,
 	}
 
 	for (i = 0; i < info->num_planes; i++) {
-		unsigned int width = mode_cmd->width / (i ? info->hsub : 1);
-		unsigned int height = mode_cmd->height / (i ? info->vsub : 1);
+		unsigned int width = drm_format_info_plane_width(info, mode_cmd->width, i);
+		unsigned int height = drm_format_info_plane_height(info, mode_cmd->height, i);
 		unsigned int min_size;
 
 		objs[i] = drm_gem_object_lookup(file, mode_cmd->handles[i]);
diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c
index 22847ee009efa..4033cbf7c8635 100644
--- a/net/sched/act_csum.c
+++ b/net/sched/act_csum.c
@@ -603,8 +603,12 @@ static int tcf_csum_act(struct sk_buff *skb, const struct tc_action *a,
 			protocol = skb->protocol;
 			orig_vlan_tag_present = true;
 		} else {
-			struct vlan_hdr *vlan = (struct vlan_hdr *)skb->data;
+			struct vlan_hdr *vlan;
 
+			if (!pskb_may_pull(skb, VLAN_HLEN))
+				goto drop;
+
+			vlan = (struct vlan_hdr *)skb->data;
 			protocol = vlan->h_vlan_encapsulated_proto;
 			skb_pull(skb, VLAN_HLEN);
 			skb_reset_network_header(skb);