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IB/cma: Fix net_dev reference leak with failed requests 

When no matching listening ID is found for a given request, the net_dev
that was used to find the request isn't released.

Fixes: 0b3ca768fc ("IB/cma: Use found net_dev for passive connections")
Signed-off-by: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
hifive-unleashed-5.1
Haggai Eran 2015-08-27 15:55:15 +03:00 committed by Doug Ledford
parent 73fec7fd04
commit be688195bd
1 changed files with 4 additions and 0 deletions
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4
drivers/infiniband/core/cma.c
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@ -1302,6 +1302,10 @@ static struct rdma_id_private *cma_id_from_event(struct ib_cm_id *cm_id,
bind_list = cma_ps_find(rdma_ps_from_service_id(req.service_id),
cma_port_from_service_id(req.service_id));
id_priv = cma_find_listener(bind_list, cm_id, ib_event, &req, *net_dev);
if (IS_ERR(id_priv)) {
dev_put(*net_dev);
*net_dev = NULL;
}
return id_priv;
}