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IB/iser: Protect completion context active_qps update

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As iser connections can share completion contexts, we need
to protect the active_qps update each time we set it.

Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Acked-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Max Gurtovoy 2017-02-02 01:55:18 +02:00 committed by Doug Ledford
parent 192539f4ce
commit 32f8e839ed
1 changed files with 2 additions and 0 deletions
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2
drivers/infiniband/ulp/iser/iser_verbs.c
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@ -597,7 +597,9 @@ static void iser_free_ib_conn_res(struct iser_conn *iser_conn,
iser_conn, ib_conn->cma_id, ib_conn->qp);
if (ib_conn->qp != NULL) {
mutex_lock(&ig.connlist_mutex);
ib_conn->comp->active_qps--;
mutex_unlock(&ig.connlist_mutex);
rdma_destroy_qp(ib_conn->cma_id);
ib_conn->qp = NULL;
}