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RDMA/vmw_pvrdma: Call ib_umem_release on destroy QP path
[ Upstream commit17748056ce
] The QP cleanup did not previously call ib_umem_release, resulting in a user-triggerable kernel resource leak. Fixes:29c8d9eba5
("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>
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@ -406,6 +406,13 @@ static void pvrdma_free_qp(struct pvrdma_qp *qp)
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atomic_dec(&qp->refcnt);
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wait_event(qp->wait, !atomic_read(&qp->refcnt));
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if (!qp->is_kernel) {
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if (qp->rumem)
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ib_umem_release(qp->rumem);
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if (qp->sumem)
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ib_umem_release(qp->sumem);
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}
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pvrdma_page_dir_cleanup(dev, &qp->pdir);
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kfree(qp);
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