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RDS: destroy the ib state earlier during shutdown 

Destroy ib state early during shutdown. Otherwise we can get callbacks
after the QP isn't really able to handle them.

Reviewed-by: Ajaykumar Hotchandani <ajaykumar.hotchandani@oracle.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
santosh.shilimkar@oracle.com 2015-08-22 15:45:24 -07:00 committed by David S. Miller
parent 43962dd7ee
commit 1bc7b863f2
1 changed files with 10 additions and 8 deletions
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18
net/rds/ib_cm.c
View File

@ -640,6 +640,16 @@ void rds_ib_conn_shutdown(struct rds_connection *conn)
(atomic_read(&ic->i_signaled_sends) == 0));
tasklet_kill(&ic->i_recv_tasklet);
/* first destroy the ib state that generates callbacks */
if (ic->i_cm_id->qp)
rdma_destroy_qp(ic->i_cm_id);
if (ic->i_send_cq)
ib_destroy_cq(ic->i_send_cq);
if (ic->i_recv_cq)
ib_destroy_cq(ic->i_recv_cq);
rdma_destroy_id(ic->i_cm_id);
/* then free the resources that ib callbacks use */
if (ic->i_send_hdrs)
ib_dma_free_coherent(dev,
ic->i_send_ring.w_nr *
@ -663,14 +673,6 @@ void rds_ib_conn_shutdown(struct rds_connection *conn)
if (ic->i_recvs)
rds_ib_recv_clear_ring(ic);
if (ic->i_cm_id->qp)
rdma_destroy_qp(ic->i_cm_id);
if (ic->i_send_cq)
ib_destroy_cq(ic->i_send_cq);
if (ic->i_recv_cq)
ib_destroy_cq(ic->i_recv_cq);
rdma_destroy_id(ic->i_cm_id);
/*
* Move connection back to the nodev list.
*/