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RDMA/cxgb4: Fix retry with MPAv1 logic for MPAv2

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Fix logic so that we don't retry with MPAv1 once we have done that
already.  Otherwise, we end up retrying with MPAv1 even when its not
needed on getting peer aborts - and this could lead to kernel panic.

Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Kumar Sanghvi 2011-11-28 22:09:15 +05:30 committed by Roland Dreier
parent c34c97ad8c
commit 01b225e18f
1 changed files with 3 additions and 1 deletions
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4
drivers/infiniband/hw/cxgb4/cm.c
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@ -542,8 +542,10 @@ static void send_mpa_req(struct c4iw_ep *ep, struct sk_buff *skb,
(mpa_rev_to_use == 2 ? MPA_ENHANCED_RDMA_CONN : 0);
mpa->private_data_size = htons(ep->plen);
mpa->revision = mpa_rev_to_use;
if (mpa_rev_to_use == 1)
if (mpa_rev_to_use == 1) {
ep->tried_with_mpa_v1 = 1;
ep->retry_with_mpa_v1 = 0;
}
if (mpa_rev_to_use == 2) {
mpa->private_data_size +=