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RDMA/iw_cxgb4: clean up c4iw_reject_cr()

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Get rid of unneeded code, and refactor things a bit.

For MPA version 0 we abort the connection.  For > 0, we attempt to send
an MPA_START/REJECT Reply, and then disconnect gracefully.  If the send
of the MPA message fails, then we abort the connection.  We can ignore
c4iw_ep_disconnect() errors here because it will clean up the endpoint
if there are failures.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Hariprasad S 2016-06-10 01:05:13 +05:30 committed by Doug Ledford
parent 68cebcab59
commit bce2841f5a
1 changed files with 8 additions and 11 deletions
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19
drivers/infiniband/hw/cxgb4/cm.c
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@ -3037,9 +3037,9 @@ static int fw4_ack(struct c4iw_dev *dev, struct sk_buff *skb)
int c4iw_reject_cr(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len)
{
int err = 0;
int disconnect = 0;
int abort;
struct c4iw_ep *ep = to_ep(cm_id);
PDBG("%s ep %p tid %u\n", __func__, ep, ep->hwtid);
mutex_lock(&ep->com.mutex);
@ -3050,16 +3050,13 @@ int c4iw_reject_cr(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len)
}
set_bit(ULP_REJECT, &ep->com.history);
if (mpa_rev == 0)
disconnect = 2;
else {
err = send_mpa_reject(ep, pdata, pdata_len);
disconnect = 1;
}
abort = 1;
else
abort = send_mpa_reject(ep, pdata, pdata_len);
mutex_unlock(&ep->com.mutex);
if (disconnect) {
stop_ep_timer(ep);
err = c4iw_ep_disconnect(ep, disconnect == 2, GFP_KERNEL);
}
stop_ep_timer(ep);
c4iw_ep_disconnect(ep, abort != 0, GFP_KERNEL);
c4iw_put_ep(&ep->com);
return 0;
}