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From: Dinghao Liu <dinghao.liu@zju.edu.cn>
To: dinghao.liu@zju.edu.cn, kjlu@umn.edu
Cc: Zhu Yanjun <yanjunz@mellanox.com>,
	Doug Ledford <dledford@redhat.com>,
	Jason Gunthorpe <jgg@ziepe.ca>,
	linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] RDMA/rxe: Fix memleak in rxe_mem_init_user
Date: Wed, 19 Aug 2020 15:56:32 +0800
Message-ID: <20200819075632.22285-1-dinghao.liu@zju.edu.cn> (raw)

When page_address() fails, umem should be freed just
like when rxe_mem_alloc() fails.

Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
---
 drivers/infiniband/sw/rxe/rxe_mr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/infiniband/sw/rxe/rxe_mr.c b/drivers/infiniband/sw/rxe/rxe_mr.c
index cdd811a45120..ce24144de16a 100644
--- a/drivers/infiniband/sw/rxe/rxe_mr.c
+++ b/drivers/infiniband/sw/rxe/rxe_mr.c
@@ -205,6 +205,7 @@ int rxe_mem_init_user(struct rxe_pd *pd, u64 start,
 			vaddr = page_address(sg_page_iter_page(&sg_iter));
 			if (!vaddr) {
 				pr_warn("null vaddr\n");
+				ib_umem_release(umem);
 				err = -ENOMEM;
 				goto err1;
 			}
-- 
2.17.1


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Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-19  7:56 Dinghao Liu [this message]
2020-08-19  8:38 ` Zhu Yanjun
2020-08-27 11:47 ` Jason Gunthorpe

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