From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Michal Kalderon <michal.kalderon@marvell.com>,
Ariel Elior <ariel.elior@marvell.com>,
Jason Gunthorpe <jgg@mellanox.com>,
Sasha Levin <sashal@kernel.org>,
linux-rdma@vger.kernel.org
Subject: [PATCH AUTOSEL 4.19 083/177] RDMA/qedr: Fix memory leak in user qp and mr
Date: Tue, 10 Dec 2019 16:30:47 -0500 [thread overview]
Message-ID: <20191210213221.11921-83-sashal@kernel.org> (raw)
In-Reply-To: <20191210213221.11921-1-sashal@kernel.org>
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 8cc3df24e04e4..9167a1c40bcf5 100644
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -1701,6 +1701,14 @@ static void qedr_cleanup_user(struct qedr_dev *dev, struct qedr_qp *qp)
if (qp->urq.umem)
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,
@@ -2809,8 +2817,8 @@ int qedr_dereg_mr(struct ib_mr *ib_mr)
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. */
if (mr->umem)
--
2.20.1
next prev parent reply other threads:[~2019-12-10 21:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20191210213221.11921-1-sashal@kernel.org>
2019-12-10 21:29 ` [PATCH AUTOSEL 4.19 014/177] IB/iser: bound protection_sg size by data_sg size Sasha Levin
2019-12-10 21:30 ` Sasha Levin [this message]
2019-12-10 21:31 ` [PATCH AUTOSEL 4.19 146/177] RDMA/qib: Validate ->show()/store() callbacks before calling them Sasha Levin
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