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cxgb4i: Handle dst_get_neighbour_noref() returning NULL.

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Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
David Miller 2011-12-02 16:52:39 +00:00 committed by David S. Miller
parent a58b61e5b7
commit 51e059bdd6
1 changed files with 7 additions and 1 deletions
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8
drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
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@ -1127,6 +1127,7 @@ static int init_act_open(struct cxgbi_sock *csk)
struct net_device *ndev = cdev->ports[csk->port_id];
struct port_info *pi = netdev_priv(ndev);
struct sk_buff *skb = NULL;
struct neighbour *n;
unsigned int step;
log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK,
@ -1141,7 +1142,12 @@ static int init_act_open(struct cxgbi_sock *csk)
cxgbi_sock_set_flag(csk, CTPF_HAS_ATID);
cxgbi_sock_get(csk);
csk->l2t = cxgb4_l2t_get(lldi->l2t, dst_get_neighbour_noref(csk->dst), ndev, 0);
n = dst_get_neighbour_noref(csk->dst);
if (!n) {
pr_err("%s, can't get neighbour of csk->dst.\n", ndev->name);
goto rel_resource;
}
csk->l2t = cxgb4_l2t_get(lldi->l2t, n, ndev, 0);
if (!csk->l2t) {
pr_err("%s, cannot alloc l2t.\n", ndev->name);
goto rel_resource;