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RDMA/cxgb4: Set arp error handler for PASS_ACCEPT_RPL messages 

accept_cr() failed to set the arp error handler on a reused skb.  This
results in a kernel crash if the arp does indeed time out.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Vipul Pandya <vipul@chelsio.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Steve Wise 2013-08-06 21:04:37 +05:30 committed by Roland Dreier
parent 27ca34f54a
commit b38a0ad8ec
1 changed files with 2 additions and 0 deletions
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2
drivers/infiniband/hw/cxgb4/cm.c
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@ -332,6 +332,7 @@ static struct sk_buff *get_skb(struct sk_buff *skb, int len, gfp_t gfp)
} else {
skb = alloc_skb(len, gfp);
}
t4_set_arp_err_handler(skb, NULL, NULL);
return skb;
}
@ -2025,6 +2026,7 @@ static void accept_cr(struct c4iw_ep *ep, struct sk_buff *skb,
rpl->opt0 = cpu_to_be64(opt0);
rpl->opt2 = cpu_to_be32(opt2);
set_wr_txq(skb, CPL_PRIORITY_SETUP, ep->ctrlq_idx);
t4_set_arp_err_handler(skb, NULL, arp_failure_discard);
c4iw_l2t_send(&ep->com.dev->rdev, skb, ep->l2t);
return;