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RDMA/rtrs-srv: Jump to dereg_mr label if allocate iu fails 

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: 9cb8374804 ("RDMA/rtrs: server: main functionality")
Link: https://lore.kernel.org/r/20201217141915.56989-7-jinpu.wang@cloud.ionos.com
Signed-off-by: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
Reviewed-by: Gioh Kim <gi-oh.kim@cloud.ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Guoqing Jiang 2020-12-17 15:19:02 +01:00 committed by Jason Gunthorpe
parent f47e4e3e71
commit f77c4839ee
1 changed files with 1 additions and 2 deletions
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3
drivers/infiniband/ulp/rtrs/rtrs-srv.c
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@ -651,7 +651,7 @@ 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 */
@ -667,7 +667,6 @@ 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);