xfrm: fix gro_cells leak when remove virtual xfrm interfaces

The device gro_cells has been initialized, it should be freed, otherwise it will be leaked Fixes: f203b76 ("xfrm: Add virtual xfrm interfaces") Signed-off-by: Zhang Yu <[email protected]> Signed-off-by: Li RongQing <[email protected]> Signed-off-by: Steffen Klassert <[email protected]>
akeromi · Oct 2, 2018 · 4da4025 · 4da4025
1 parent 92d7c74
commit 4da4025
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c
@@ -116,6 +116,9 @@ static void xfrmi_unlink(struct xfrmi_net *xfrmn, struct xfrm_if *xi)
 
 static void xfrmi_dev_free(struct net_device *dev)
 {
+	struct xfrm_if *xi = netdev_priv(dev);
+
+	gro_cells_destroy(&xi->gro_cells);
 	free_percpu(dev->tstats);
 }