From: Md Haris Iqbal Date: Mon, 20 Nov 2023 15:41:41 +0000 (+0100) Subject: RDMA/rtrs-srv: Free srv_mr iu only when always_invalidate is true X-Git-Tag: v5.15.143~85 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7df9d0d06475b5281631c4697ffb3e5e2353f98b;p=thirdparty%2Fkernel%2Fstable.git 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 --- diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c index 43de2895f1b1d..3a61615a8ea6a 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c @@ -556,7 +556,10 @@ 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);