[PATCH] 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: f203b76d78092faf2 ("xfrm: Add virtual xfrm interfaces")
Signed-off-by: Zhang Yu <redacted>
Signed-off-by: Li RongQing <redacted>
---
 net/xfrm/xfrm_interface.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c
index 4b4ef4f662d9..9cc6e72bc802 100644
--- 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);
 }
 

-- 
2.16.2

On Sun, Sep 30, 2018 at 03:06:06PM +0800, Li RongQing wrote:

The device gro_cells has been initialized, it should be freed,
otherwise it will be leaked

Fixes: f203b76d78092faf2 ("xfrm: Add virtual xfrm interfaces")
Signed-off-by: Zhang Yu <redacted>
Signed-off-by: Li RongQing <redacted>

Applied, thanks a lot!