cxgb4i: Handle dst_get_neighbour_noref() returning NULL.
Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Roland Dreier <roland@purestorage.com>
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@ -1127,6 +1127,7 @@ static int init_act_open(struct cxgbi_sock *csk)
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struct net_device *ndev = cdev->ports[csk->port_id];
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struct port_info *pi = netdev_priv(ndev);
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struct sk_buff *skb = NULL;
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struct neighbour *n;
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unsigned int step;
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log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK,
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@ -1141,7 +1142,12 @@ static int init_act_open(struct cxgbi_sock *csk)
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cxgbi_sock_set_flag(csk, CTPF_HAS_ATID);
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cxgbi_sock_get(csk);
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csk->l2t = cxgb4_l2t_get(lldi->l2t, dst_get_neighbour_noref(csk->dst), ndev, 0);
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n = dst_get_neighbour_noref(csk->dst);
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if (!n) {
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pr_err("%s, can't get neighbour of csk->dst.\n", ndev->name);
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goto rel_resource;
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}
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csk->l2t = cxgb4_l2t_get(lldi->l2t, n, ndev, 0);
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if (!csk->l2t) {
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pr_err("%s, cannot alloc l2t.\n", ndev->name);
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goto rel_resource;
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