From 7bb1941e7f71664f37eae7762d8c24457f65f3de Mon Sep 17 00:00:00 2001 From: Md Haris Iqbal Date: Mon, 20 Nov 2023 16:41:41 +0100 Subject: [PATCH] RDMA/rtrs-srv: Free srv_mr iu only when always_invalidate is true [ Upstream commit 3a71cd6ca0ce33d1af019ecf1d7167406fa54400 ] Since srv_mr->iu is allocated and used only when always_invalidate is true, free it only when always_invalidate is true. Fixes: 9cb837480424 ("RDMA/rtrs: server: main functionality") Signed-off-by: Md Haris Iqbal Signed-off-by: Jack Wang Signed-off-by: Grzegorz Prajsner Link: https://lore.kernel.org/r/20231120154146.920486-5-haris.iqbal@ionos.com Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/ulp/rtrs/rtrs-srv.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c index 4be0e5b..925b714 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c @@ -551,7 +551,10 @@ static void unmap_cont_bufs(struct rtrs_srv_path *srv_path) struct rtrs_srv_mr *srv_mr; srv_mr = &srv_path->mrs[i]; - rtrs_iu_free(srv_mr->iu, srv_path->s.dev->ib_dev, 1); + + if (always_invalidate) + rtrs_iu_free(srv_mr->iu, srv_path->s.dev->ib_dev, 1); + ib_dereg_mr(srv_mr->mr); ib_dma_unmap_sg(srv_path->s.dev->ib_dev, srv_mr->sgt.sgl, srv_mr->sgt.nents, DMA_BIDIRECTIONAL); -- 2.7.4