From: Guoqing Jiang <redacted>

[ Upstream commit f77c4839ee8f4612dcb6601602329096030bd813 ]

The rtrs_iu_free is called in rtrs_iu_alloc if memory is limited, so we
don't need to free the same iu again.

Fixes: 9cb837480424 ("RDMA/rtrs: server: main functionality")
Link: https://lore.kernel.org/r/20201217141915.56989-7-jinpu.wang@cloud.ionos.com (local)
Signed-off-by: Guoqing Jiang <redacted>
Reviewed-by: Gioh Kim <redacted>
Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/ulp/rtrs/rtrs-srv.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
index 0fd2a7f8f9f2..43806180f85e 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c

@@ -671,7 +671,7 @@ static int map_cont_bufs(struct rtrs_srv_sess *sess)
 			if (!srv_mr->iu) {
 				err = -ENOMEM;
 				rtrs_err(ss, "rtrs_iu_alloc(), err: %d\n", err);
-				goto free_iu;
+				goto dereg_mr;
 			}
 		}
 		/* Eventually dma addr for each chunk can be cached */

@@ -687,7 +687,6 @@ static int map_cont_bufs(struct rtrs_srv_sess *sess)
 			srv_mr = &sess->mrs[mri];
 			sgt = &srv_mr->sgt;
 			mr = srv_mr->mr;
-free_iu:
 			rtrs_iu_free(srv_mr->iu, sess->s.dev->ib_dev, 1);
 dereg_mr:
 			ib_dereg_mr(mr);

-- 
2.30.1