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path: root/net/xfrm/xfrm_input.c
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Diffstat (limited to 'net/xfrm/xfrm_input.c')
-rw-r--r--net/xfrm/xfrm_input.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index f65291eba1f6..e4c2cd24936d 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -797,9 +797,12 @@ static void xfrm_trans_reinject(struct work_struct *work)
spin_unlock_bh(&trans->queue_lock);
local_bh_disable();
- while ((skb = __skb_dequeue(&queue)))
- XFRM_TRANS_SKB_CB(skb)->finish(XFRM_TRANS_SKB_CB(skb)->net,
- NULL, skb);
+ while ((skb = __skb_dequeue(&queue))) {
+ struct net *net = XFRM_TRANS_SKB_CB(skb)->net;
+
+ XFRM_TRANS_SKB_CB(skb)->finish(net, NULL, skb);
+ put_net(net);
+ }
local_bh_enable();
}
@@ -808,6 +811,7 @@ int xfrm_trans_queue_net(struct net *net, struct sk_buff *skb,
struct sk_buff *))
{
struct xfrm_trans_tasklet *trans;
+ struct net *hold_net;
trans = this_cpu_ptr(&xfrm_trans_tasklet);
@@ -816,8 +820,12 @@ int xfrm_trans_queue_net(struct net *net, struct sk_buff *skb,
BUILD_BUG_ON(sizeof(struct xfrm_trans_cb) > sizeof(skb->cb));
+ hold_net = maybe_get_net(net);
+ if (!hold_net)
+ return -ENODEV;
+
XFRM_TRANS_SKB_CB(skb)->finish = finish;
- XFRM_TRANS_SKB_CB(skb)->net = net;
+ XFRM_TRANS_SKB_CB(skb)->net = hold_net;
spin_lock_bh(&trans->queue_lock);
__skb_queue_tail(&trans->queue, skb);
spin_unlock_bh(&trans->queue_lock);