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[5/8] RDMA/cxgb4: Set arp error handler for PASS_ACCEPT_RPL messages.

Message ID 1375803280-7916-6-git-send-email-vipul@chelsio.com (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Vipul Pandya Aug. 6, 2013, 3:34 p.m. UTC 
From: Steve Wise <swise@opengridcomputing.com>

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>
---
 drivers/infiniband/hw/cxgb4/cm.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 1b0fd72..e95c6ba 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -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;
 }
 
@@ -2018,6 +2019,7 @@  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;