| From | Sasha Levin <> | Subject | [PATCH AUTOSEL 5.4 171/350] RDMA/qedr: Fix memory leak in user qp and mr | Date | Tue, 10 Dec 2019 16:04:36 -0500 |
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From: Michal Kalderon <michal.kalderon@marvell.com>
[ Upstream commit 24e412c1e00ebfe73619e6b88cbc26c2c7d41b85 ]
User QPs pbl's weren't freed properly. MR pbls weren't freed properly.
Fixes: e0290cce6ac0 ("qedr: Add support for memory registeration verbs") Link: https://lore.kernel.org/r/20191027200451.28187-5-michal.kalderon@marvell.com Signed-off-by: Ariel Elior <ariel.elior@marvell.com> Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/infiniband/hw/qedr/verbs.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c index 6f3ce86019b73..a7ccca3c4f894 100644 --- a/drivers/infiniband/hw/qedr/verbs.c +++ b/drivers/infiniband/hw/qedr/verbs.c @@ -1577,6 +1577,14 @@ static void qedr_cleanup_user(struct qedr_dev *dev, struct qedr_qp *qp) ib_umem_release(qp->urq.umem); qp->urq.umem = NULL; + + if (rdma_protocol_roce(&dev->ibdev, 1)) { + qedr_free_pbl(dev, &qp->usq.pbl_info, qp->usq.pbl_tbl); + qedr_free_pbl(dev, &qp->urq.pbl_info, qp->urq.pbl_tbl); + } else { + kfree(qp->usq.pbl_tbl); + kfree(qp->urq.pbl_tbl); + } } static int qedr_create_user_qp(struct qedr_dev *dev, @@ -2673,8 +2681,8 @@ int qedr_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata) dev->ops->rdma_free_tid(dev->rdma_ctx, mr->hw_mr.itid); - if ((mr->type != QEDR_MR_DMA) && (mr->type != QEDR_MR_FRMR)) - qedr_free_pbl(dev, &mr->info.pbl_info, mr->info.pbl_table); + if (mr->type != QEDR_MR_DMA) + free_mr_info(dev, &mr->info); /* it could be user registered memory. */ ib_umem_release(mr->umem); -- 2.20.1
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