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RDMA/vmw_pvrdma: Call ib_umem_release on destroy QP path

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[ Upstream commit 17748056ce123ee37fb7382bc698fc721e3c4a09 ]

The QP cleanup did not previously call ib_umem_release,
resulting in a user-triggerable kernel resource leak.

Fixes: 29c8d9eba550 ("IB: Add vmw_pvrdma driver")
Reviewed-by: Adit Ranadive <aditr@vmware.com>
Reviewed-by: Aditya Sarwade <asarwade@vmware.com>
Reviewed-by: Jorgen Hansen <jhansen@vmware.com>
Signed-off-by: Bryan Tan <bryantan@vmware.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bryan Tan 2017-12-20 09:49:03 -08:00 committed by Greg Kroah-Hartman
parent 831c169c9b
commit 8164587e52
1 changed files with 7 additions and 0 deletions
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7
drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c
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@ -406,6 +406,13 @@ static void pvrdma_free_qp(struct pvrdma_qp *qp)
atomic_dec(&qp->refcnt);
wait_event(qp->wait, !atomic_read(&qp->refcnt));
if (!qp->is_kernel) {
if (qp->rumem)
ib_umem_release(qp->rumem);
if (qp->sumem)
ib_umem_release(qp->sumem);
}
pvrdma_page_dir_cleanup(dev, &qp->pdir);
kfree(qp);