From: Leon Romanovsky <leonro@xxxxxxxxxxxx> Move allocation and destruction of memory windows under ib_core responsibility and clean drivers to ensure that no updates to MW ib_core structures are done in driver layer. Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx> --- drivers/infiniband/core/device.c | 1 + drivers/infiniband/core/uverbs_cmd.c | 20 +++++++---- drivers/infiniband/core/uverbs_main.c | 7 ++-- drivers/infiniband/hw/cxgb4/iw_cxgb4.h | 3 +- drivers/infiniband/hw/cxgb4/mem.c | 32 ++++++----------- drivers/infiniband/hw/cxgb4/provider.c | 4 ++- drivers/infiniband/hw/hns/hns_roce_device.h | 3 +- drivers/infiniband/hw/hns/hns_roce_main.c | 2 ++ drivers/infiniband/hw/hns/hns_roce_mr.c | 28 +++++---------- drivers/infiniband/hw/mlx4/main.c | 2 ++ drivers/infiniband/hw/mlx4/mlx4_ib.h | 3 +- drivers/infiniband/hw/mlx4/mr.c | 30 +++++----------- drivers/infiniband/hw/mlx5/main.c | 2 ++ drivers/infiniband/hw/mlx5/mlx5_ib.h | 3 +- drivers/infiniband/hw/mlx5/mr.c | 40 ++++++++------------- include/rdma/ib_verbs.h | 4 +-- 16 files changed, 78 insertions(+), 106 deletions(-) diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index c36b4d2b61e0..7365ca8edcdf 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -2695,6 +2695,7 @@ void ib_set_device_ops(struct ib_device *dev, const struct ib_device_ops *ops) SET_OBJ_SIZE(dev_ops, ib_ah); SET_OBJ_SIZE(dev_ops, ib_counters); SET_OBJ_SIZE(dev_ops, ib_cq); + SET_OBJ_SIZE(dev_ops, ib_mw); SET_OBJ_SIZE(dev_ops, ib_pd); SET_OBJ_SIZE(dev_ops, ib_srq); SET_OBJ_SIZE(dev_ops, ib_ucontext); diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 432e42b3c931..409913a2489b 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -880,7 +880,7 @@ static int ib_uverbs_dereg_mr(struct uverbs_attr_bundle *attrs) static int ib_uverbs_alloc_mw(struct uverbs_attr_bundle *attrs) { struct ib_uverbs_alloc_mw cmd; - struct ib_uverbs_alloc_mw_resp resp; + struct ib_uverbs_alloc_mw_resp resp = {}; struct ib_uobject *uobj; struct ib_pd *pd; struct ib_mw *mw; @@ -906,15 +906,21 @@ static int ib_uverbs_alloc_mw(struct uverbs_attr_bundle *attrs) goto err_put; } - mw = pd->device->ops.alloc_mw(pd, cmd.mw_type, &attrs->driver_udata); - if (IS_ERR(mw)) { - ret = PTR_ERR(mw); + mw = rdma_zalloc_drv_obj(ib_dev, ib_mw); + if (!mw) { + ret = -ENOMEM; goto err_put; } - mw->device = pd->device; - mw->pd = pd; + mw->device = ib_dev; + mw->pd = pd; mw->uobject = uobj; + mw->type = cmd.mw_type; + + ret = pd->device->ops.alloc_mw(mw, &attrs->driver_udata); + if (ret) + goto err_alloc; + atomic_inc(&pd->usecnt); uobj->object = mw; @@ -925,6 +931,8 @@ static int ib_uverbs_alloc_mw(struct uverbs_attr_bundle *attrs) resp.mw_handle = uobj->id; return uverbs_response(attrs, &resp, sizeof(resp)); +err_alloc: + kfree(mw); err_put: uobj_put_obj_read(pd); err_free: diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 37794d88b1f3..36ea760f0a28 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -108,8 +108,11 @@ int uverbs_dealloc_mw(struct ib_mw *mw) int ret; ret = mw->device->ops.dealloc_mw(mw); - if (!ret) - atomic_dec(&pd->usecnt); + if (ret) + return ret; + + atomic_dec(&pd->usecnt); + kfree(mw); return ret; } diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h index dc65811e6a93..a27899402f59 100644 --- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h +++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h @@ -985,8 +985,7 @@ int c4iw_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents, unsigned int *sg_offset); int c4iw_dealloc_mw(struct ib_mw *mw); void c4iw_dealloc(struct uld_ctx *ctx); -struct ib_mw *c4iw_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, - struct ib_udata *udata); +int c4iw_alloc_mw(struct ib_mw *mw, struct ib_udata *udata); struct ib_mr *c4iw_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, u64 virt, int acc, struct ib_udata *udata); diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c index 73936c3341b7..5c967fcbb109 100644 --- a/drivers/infiniband/hw/cxgb4/mem.c +++ b/drivers/infiniband/hw/cxgb4/mem.c @@ -611,30 +611,23 @@ struct ib_mr *c4iw_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, return ERR_PTR(err); } -struct ib_mw *c4iw_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, - struct ib_udata *udata) +int c4iw_alloc_mw(struct ib_mw *ibmw, struct ib_udata *udata) { + struct c4iw_mw *mhp = to_c4iw_mw(ibmw); struct c4iw_dev *rhp; struct c4iw_pd *php; - struct c4iw_mw *mhp; u32 mmid; u32 stag = 0; int ret; - if (type != IB_MW_TYPE_1) - return ERR_PTR(-EINVAL); + if (ibmw->type != IB_MW_TYPE_1) + return -EINVAL; - php = to_c4iw_pd(pd); + php = to_c4iw_pd(ibmw->pd); rhp = php->rhp; - mhp = kzalloc(sizeof(*mhp), GFP_KERNEL); - if (!mhp) - return ERR_PTR(-ENOMEM); - mhp->wr_waitp = c4iw_alloc_wr_wait(GFP_KERNEL); - if (!mhp->wr_waitp) { - ret = -ENOMEM; - goto free_mhp; - } + if (!mhp->wr_waitp) + return -ENOMEM; mhp->dereg_skb = alloc_skb(SGE_MAX_WR_LEN, GFP_KERNEL); if (!mhp->dereg_skb) { @@ -645,18 +638,19 @@ struct ib_mw *c4iw_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, ret = allocate_window(&rhp->rdev, &stag, php->pdid, mhp->wr_waitp); if (ret) goto free_skb; + mhp->rhp = rhp; mhp->attr.pdid = php->pdid; mhp->attr.type = FW_RI_STAG_MW; mhp->attr.stag = stag; mmid = (stag) >> 8; - mhp->ibmw.rkey = stag; + ibmw->rkey = stag; if (xa_insert_irq(&rhp->mrs, mmid, mhp, GFP_KERNEL)) { ret = -ENOMEM; goto dealloc_win; } pr_debug("mmid 0x%x mhp %p stag 0x%x\n", mmid, mhp, stag); - return &(mhp->ibmw); + return 0; dealloc_win: deallocate_window(&rhp->rdev, mhp->attr.stag, mhp->dereg_skb, @@ -665,9 +659,7 @@ struct ib_mw *c4iw_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, kfree_skb(mhp->dereg_skb); free_wr_wait: c4iw_put_wr_wait(mhp->wr_waitp); -free_mhp: - kfree(mhp); - return ERR_PTR(ret); + return ret; } int c4iw_dealloc_mw(struct ib_mw *mw) @@ -684,8 +676,6 @@ int c4iw_dealloc_mw(struct ib_mw *mw) mhp->wr_waitp); kfree_skb(mhp->dereg_skb); c4iw_put_wr_wait(mhp->wr_waitp); - pr_debug("ib_mw %p mmid 0x%x ptr %p\n", mw, mmid, mhp); - kfree(mhp); return 0; } diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c index 5f2b30624512..4b76f2f3f4e4 100644 --- a/drivers/infiniband/hw/cxgb4/provider.c +++ b/drivers/infiniband/hw/cxgb4/provider.c @@ -498,8 +498,10 @@ static const struct ib_device_ops c4iw_dev_ops = { .query_qp = c4iw_ib_query_qp, .reg_user_mr = c4iw_reg_user_mr, .req_notify_cq = c4iw_arm_cq, - INIT_RDMA_OBJ_SIZE(ib_pd, c4iw_pd, ibpd), + INIT_RDMA_OBJ_SIZE(ib_cq, c4iw_cq, ibcq), + INIT_RDMA_OBJ_SIZE(ib_mw, c4iw_mw, ibmw), + INIT_RDMA_OBJ_SIZE(ib_pd, c4iw_pd, ibpd), INIT_RDMA_OBJ_SIZE(ib_srq, c4iw_srq, ibsrq), INIT_RDMA_OBJ_SIZE(ib_ucontext, c4iw_ucontext, ibucontext), }; diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index 30290a7ce286..3cab23f5ac69 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -1204,8 +1204,7 @@ int hns_roce_hw_destroy_mpt(struct hns_roce_dev *hr_dev, unsigned long mpt_index); unsigned long key_to_hw_index(u32 key); -struct ib_mw *hns_roce_alloc_mw(struct ib_pd *pd, enum ib_mw_type, - struct ib_udata *udata); +int hns_roce_alloc_mw(struct ib_mw *mw, struct ib_udata *udata); int hns_roce_dealloc_mw(struct ib_mw *ibmw); void hns_roce_buf_free(struct hns_roce_dev *hr_dev, struct hns_roce_buf *buf); diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index 5907cfd878a6..45f7353bd348 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -454,6 +454,8 @@ static const struct ib_device_ops hns_roce_dev_mr_ops = { static const struct ib_device_ops hns_roce_dev_mw_ops = { .alloc_mw = hns_roce_alloc_mw, .dealloc_mw = hns_roce_dealloc_mw, + + INIT_RDMA_OBJ_SIZE(ib_mw, hns_roce_mw, ibmw), }; static const struct ib_device_ops hns_roce_dev_frmr_ops = { diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c index e5df3884b41d..a0ee510aca10 100644 --- a/drivers/infiniband/hw/hns/hns_roce_mr.c +++ b/drivers/infiniband/hw/hns/hns_roce_mr.c @@ -589,28 +589,22 @@ static int hns_roce_mw_enable(struct hns_roce_dev *hr_dev, return ret; } -struct ib_mw *hns_roce_alloc_mw(struct ib_pd *ib_pd, enum ib_mw_type type, - struct ib_udata *udata) +int hns_roce_alloc_mw(struct ib_mw *ibmw, struct ib_udata *udata) { - struct hns_roce_dev *hr_dev = to_hr_dev(ib_pd->device); - struct hns_roce_mw *mw; + struct hns_roce_dev *hr_dev = to_hr_dev(ibmw->device); + struct hns_roce_mw *mw = to_hr_mw(ibmw); unsigned long index = 0; int ret; - mw = kmalloc(sizeof(*mw), GFP_KERNEL); - if (!mw) - return ERR_PTR(-ENOMEM); - /* Allocate a key for mw from bitmap */ ret = hns_roce_bitmap_alloc(&hr_dev->mr_table.mtpt_bitmap, &index); if (ret) - goto err_bitmap; + return ret; mw->rkey = hw_index_to_key(index); - mw->ibmw.rkey = mw->rkey; - mw->ibmw.type = type; - mw->pdn = to_hr_pd(ib_pd)->pdn; + ibmw->rkey = mw->rkey; + mw->pdn = to_hr_pd(ibmw->pd)->pdn; mw->pbl_hop_num = hr_dev->caps.pbl_hop_num; mw->pbl_ba_pg_sz = hr_dev->caps.pbl_ba_pg_sz; mw->pbl_buf_pg_sz = hr_dev->caps.pbl_buf_pg_sz; @@ -619,15 +613,11 @@ struct ib_mw *hns_roce_alloc_mw(struct ib_pd *ib_pd, enum ib_mw_type type, if (ret) goto err_mw; - return &mw->ibmw; + return 0; err_mw: hns_roce_mw_free(hr_dev, mw); - -err_bitmap: - kfree(mw); - - return ERR_PTR(ret); + return ret; } int hns_roce_dealloc_mw(struct ib_mw *ibmw) @@ -636,8 +626,6 @@ int hns_roce_dealloc_mw(struct ib_mw *ibmw) struct hns_roce_mw *mw = to_hr_mw(ibmw); hns_roce_mw_free(hr_dev, mw); - kfree(mw); - return 0; } diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 3a5e3c55dbf8..41c419928a00 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -2583,6 +2583,8 @@ static const struct ib_device_ops mlx4_ib_dev_wq_ops = { static const struct ib_device_ops mlx4_ib_dev_mw_ops = { .alloc_mw = mlx4_ib_alloc_mw, .dealloc_mw = mlx4_ib_dealloc_mw, + + INIT_RDMA_OBJ_SIZE(ib_mw, mlx4_ib_mw, ibmw), }; static const struct ib_device_ops mlx4_ib_dev_xrc_ops = { diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index 8f5467c2309a..4e304f48157d 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -731,8 +731,7 @@ struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, u64 virt_addr, int access_flags, struct ib_udata *udata); int mlx4_ib_dereg_mr(struct ib_mr *mr, struct ib_udata *udata); -struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, - struct ib_udata *udata); +int mlx4_ib_alloc_mw(struct ib_mw *mw, struct ib_udata *udata); int mlx4_ib_dealloc_mw(struct ib_mw *mw); struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type, u32 max_num_sg); diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c index 1d5ef0de12c9..6533e0835294 100644 --- a/drivers/infiniband/hw/mlx4/mr.c +++ b/drivers/infiniband/hw/mlx4/mr.c @@ -610,37 +610,27 @@ int mlx4_ib_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata) return 0; } -struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, - struct ib_udata *udata) +int mlx4_ib_alloc_mw(struct ib_mw *ibmw, struct ib_udata *udata) { - struct mlx4_ib_dev *dev = to_mdev(pd->device); - struct mlx4_ib_mw *mw; + struct mlx4_ib_dev *dev = to_mdev(ibmw->device); + struct mlx4_ib_mw *mw = to_mmw(ibmw); int err; - mw = kmalloc(sizeof(*mw), GFP_KERNEL); - if (!mw) - return ERR_PTR(-ENOMEM); - - err = mlx4_mw_alloc(dev->dev, to_mpd(pd)->pdn, - to_mlx4_type(type), &mw->mmw); + err = mlx4_mw_alloc(dev->dev, to_mpd(ibmw->pd)->pdn, + to_mlx4_type(ibmw->type), &mw->mmw); if (err) - goto err_free; + return err; err = mlx4_mw_enable(dev->dev, &mw->mmw); if (err) goto err_mw; - mw->ibmw.rkey = mw->mmw.key; - - return &mw->ibmw; + ibmw->rkey = mw->mmw.key; + return 0; err_mw: mlx4_mw_free(dev->dev, &mw->mmw); - -err_free: - kfree(mw); - - return ERR_PTR(err); + return err; } int mlx4_ib_dealloc_mw(struct ib_mw *ibmw) @@ -648,8 +638,6 @@ int mlx4_ib_dealloc_mw(struct ib_mw *ibmw) struct mlx4_ib_mw *mw = to_mmw(ibmw); mlx4_mw_free(to_mdev(ibmw->device)->dev, &mw->mmw); - kfree(mw); - return 0; } diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 790b874fffe2..d197df0280f8 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -4087,6 +4087,8 @@ static const struct ib_device_ops mlx5_ib_dev_sriov_ops = { static const struct ib_device_ops mlx5_ib_dev_mw_ops = { .alloc_mw = mlx5_ib_alloc_mw, .dealloc_mw = mlx5_ib_dealloc_mw, + + INIT_RDMA_OBJ_SIZE(ib_mw, mlx5_ib_mw, ibmw), }; static const struct ib_device_ops mlx5_ib_dev_xrc_ops = { diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 0a3681463a62..67985ddbfcb0 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -1166,8 +1166,7 @@ int mlx5_ib_advise_mr(struct ib_pd *pd, struct ib_sge *sg_list, u32 num_sge, struct uverbs_attr_bundle *attrs); -struct ib_mw *mlx5_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, - struct ib_udata *udata); +int mlx5_ib_alloc_mw(struct ib_mw *mw, struct ib_udata *udata); int mlx5_ib_dealloc_mw(struct ib_mw *mw); int mlx5_ib_update_xlt(struct mlx5_ib_mr *mr, u64 idx, int npages, int page_shift, int flags); diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index fde8fc2b6b5b..a94e344f1a50 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -1991,12 +1991,11 @@ struct ib_mr *mlx5_ib_alloc_mr_integrity(struct ib_pd *pd, max_num_meta_sg); } -struct ib_mw *mlx5_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, - struct ib_udata *udata) +int mlx5_ib_alloc_mw(struct ib_mw *ibmw, struct ib_udata *udata) { - struct mlx5_ib_dev *dev = to_mdev(pd->device); + struct mlx5_ib_dev *dev = to_mdev(ibmw->device); int inlen = MLX5_ST_SZ_BYTES(create_mkey_in); - struct mlx5_ib_mw *mw = NULL; + struct mlx5_ib_mw *mw = to_mmw(ibmw); u32 *in = NULL; void *mkc; int ndescs; @@ -2009,21 +2008,20 @@ struct ib_mw *mlx5_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, err = ib_copy_from_udata(&req, udata, min(udata->inlen, sizeof(req))); if (err) - return ERR_PTR(err); + return err; if (req.comp_mask || req.reserved1 || req.reserved2) - return ERR_PTR(-EOPNOTSUPP); + return -EOPNOTSUPP; if (udata->inlen > sizeof(req) && !ib_is_udata_cleared(udata, sizeof(req), udata->inlen - sizeof(req))) - return ERR_PTR(-EOPNOTSUPP); + return -EOPNOTSUPP; ndescs = req.num_klms ? roundup(req.num_klms, 4) : roundup(1, 4); - mw = kzalloc(sizeof(*mw), GFP_KERNEL); in = kzalloc(inlen, GFP_KERNEL); - if (!mw || !in) { + if (!in) { err = -ENOMEM; goto free; } @@ -2032,11 +2030,11 @@ struct ib_mw *mlx5_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, MLX5_SET(mkc, mkc, free, 1); MLX5_SET(mkc, mkc, translations_octword_size, ndescs); - MLX5_SET(mkc, mkc, pd, to_mpd(pd)->pdn); + MLX5_SET(mkc, mkc, pd, to_mpd(ibmw->pd)->pdn); MLX5_SET(mkc, mkc, umr_en, 1); MLX5_SET(mkc, mkc, lr, 1); MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_KLMS); - MLX5_SET(mkc, mkc, en_rinval, !!((type == IB_MW_TYPE_2))); + MLX5_SET(mkc, mkc, en_rinval, !!((ibmw->type == IB_MW_TYPE_2))); MLX5_SET(mkc, mkc, qpn, 0xffffff); err = mlx5_ib_create_mkey(dev, &mw->mmkey, in, inlen); @@ -2044,17 +2042,15 @@ struct ib_mw *mlx5_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, goto free; mw->mmkey.type = MLX5_MKEY_MW; - mw->ibmw.rkey = mw->mmkey.key; + ibmw->rkey = mw->mmkey.key; mw->ndescs = ndescs; resp.response_length = min(offsetofend(typeof(resp), response_length), udata->outlen); if (resp.response_length) { err = ib_copy_to_udata(udata, &resp, resp.response_length); - if (err) { - mlx5_core_destroy_mkey(dev->mdev, &mw->mmkey); - goto free; - } + if (err) + goto free_mkey; } if (IS_ENABLED(CONFIG_INFINIBAND_ON_DEMAND_PAGING)) { @@ -2066,21 +2062,19 @@ struct ib_mw *mlx5_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, } kfree(in); - return &mw->ibmw; + return 0; free_mkey: mlx5_core_destroy_mkey(dev->mdev, &mw->mmkey); free: - kfree(mw); kfree(in); - return ERR_PTR(err); + return err; } int mlx5_ib_dealloc_mw(struct ib_mw *mw) { struct mlx5_ib_dev *dev = to_mdev(mw->device); struct mlx5_ib_mw *mmw = to_mmw(mw); - int err; if (IS_ENABLED(CONFIG_INFINIBAND_ON_DEMAND_PAGING)) { xa_erase(&dev->odp_mkeys, mlx5_base_mkey(mmw->mmkey.key)); @@ -2091,11 +2085,7 @@ int mlx5_ib_dealloc_mw(struct ib_mw *mw) synchronize_srcu(&dev->odp_srcu); } - err = mlx5_core_destroy_mkey(dev->mdev, &mmw->mmkey); - if (err) - return err; - kfree(mmw); - return 0; + return mlx5_core_destroy_mkey(dev->mdev, &mmw->mmkey); } int mlx5_ib_check_mr_status(struct ib_mr *ibmr, u32 check_mask, diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index a596f1657c44..18e861f38295 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -2452,8 +2452,7 @@ struct ib_device_ops { unsigned int *sg_offset); int (*check_mr_status)(struct ib_mr *mr, u32 check_mask, struct ib_mr_status *mr_status); - struct ib_mw *(*alloc_mw)(struct ib_pd *pd, enum ib_mw_type type, - struct ib_udata *udata); + int (*alloc_mw)(struct ib_mw *mw, struct ib_udata *udata); int (*dealloc_mw)(struct ib_mw *mw); int (*attach_mcast)(struct ib_qp *qp, union ib_gid *gid, u16 lid); int (*detach_mcast)(struct ib_qp *qp, union ib_gid *gid, u16 lid); @@ -2614,6 +2613,7 @@ struct ib_device_ops { DECLARE_RDMA_OBJ_SIZE(ib_ah); DECLARE_RDMA_OBJ_SIZE(ib_counters); DECLARE_RDMA_OBJ_SIZE(ib_cq); + DECLARE_RDMA_OBJ_SIZE(ib_mw); DECLARE_RDMA_OBJ_SIZE(ib_pd); DECLARE_RDMA_OBJ_SIZE(ib_srq); DECLARE_RDMA_OBJ_SIZE(ib_ucontext); -- 2.26.2