From: Dinghao Liu <dinghao.liu@zju.edu.cn>
Date: Wed, 19 Aug 2020 15:56:32 +0800
Subject: RDMA/rxe: Fix memleak in rxe_mem_init_user
Patch-mainline: v5.9-rc5
Git-commit: e3ddd6067ee62f6e76ebcf61ff08b2c729ae412b
References: jsc#SLE-15176

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

Fixes: 8700e3e7c485 ("Soft RoCE driver")
Link: https://lore.kernel.org/r/20200819075632.22285-1-dinghao.liu@zju.edu.cn
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/infiniband/sw/rxe/rxe_mr.c |    1 +
 1 file changed, 1 insertion(+)

--- 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,
 			vaddr = page_address(sg_page_iter_page(&sg_iter));
 			if (!vaddr) {
 				pr_warn("null vaddr\n");
+				ib_umem_release(umem);
 				err = -ENOMEM;
 				goto err1;
 			}