From 67a63387b1417b5954eedb15f638f1f0bee3da49 Mon Sep 17 00:00:00 2001 From: Steffen Klassert Date: Mon, 4 Sep 2017 10:59:55 +0200 Subject: xfrm: Fix negative device refcount on offload failure. Reset the offload device at the xfrm_state if the device was not able to offload the state. Otherwise we drop the device refcount twice. Fixes: d77e38e612a0 ("xfrm: Add an IPsec hardware offloading API") Reported-by: Shannon Nelson Signed-off-by: Steffen Klassert --- net/xfrm/xfrm_device.c | 1 + 1 file changed, 1 insertion(+) (limited to 'net/xfrm') diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c index acf00104ef31..30e5746085b8 100644 --- a/net/xfrm/xfrm_device.c +++ b/net/xfrm/xfrm_device.c @@ -91,6 +91,7 @@ int xfrm_dev_state_add(struct net *net, struct xfrm_state *x, } if (!dev->xfrmdev_ops || !dev->xfrmdev_ops->xdo_dev_state_add) { + xso->dev = NULL; dev_put(dev); return 0; } -- cgit v1.2.3