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RDMA/qedr: Fix memory leak in user qp and mr

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[ Upstream commit 24e412c1e00ebfe73619e6b88cbc26c2c7d41b85 ]

User QPs pbl's weren't freed properly.
MR pbls weren't freed properly.

Fixes: e0290cce6a ("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>
This commit is contained in:
Michal Kalderon 2019-10-27 22:04:51 +02:00 • committed by Greg Kroah-Hartman
commit 24b758dcd5
1 changed files with 10 additions and 2 deletions
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12
drivers/infiniband/hw/qedr/verbs.c
View file

@ -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);