> 
> Now that all of the udata request structs are loaded with the helpers the 
> callers
> should not pre-zero them. The helpers all guarantee that the entire struct is 
> filled
> with something.
> 
> Signed-off-by: Jason Gunthorpe <[email protected]>

Reviewed-by: Long Li <[email protected]>


> ---
>  drivers/infiniband/hw/efa/efa_verbs.c       | 4 ++--
>  drivers/infiniband/hw/hns/hns_roce_main.c   | 2 +-
>  drivers/infiniband/hw/hns/hns_roce_srq.c    | 2 +-
>  drivers/infiniband/hw/mana/cq.c             | 2 +-
>  drivers/infiniband/hw/mana/qp.c             | 2 +-
>  drivers/infiniband/hw/mana/wq.c             | 2 +-
>  drivers/infiniband/hw/mlx4/qp.c             | 4 ++--
>  drivers/infiniband/hw/mlx5/cq.c             | 2 +-
>  drivers/infiniband/hw/mlx5/main.c           | 2 +-
>  drivers/infiniband/hw/mlx5/mr.c             | 2 +-
>  drivers/infiniband/hw/mlx5/qp.c             | 4 ++--
>  drivers/infiniband/hw/mlx5/srq.c            | 2 +-
>  drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 4 +++-
>  drivers/infiniband/hw/qedr/verbs.c          | 8 ++++----
>  14 files changed, 22 insertions(+), 20 deletions(-)
> 
> diff --git a/drivers/infiniband/hw/efa/efa_verbs.c
> b/drivers/infiniband/hw/efa/efa_verbs.c
> index b491bcd886ccb0..f1020921f0e742 100644
> --- a/drivers/infiniband/hw/efa/efa_verbs.c
> +++ b/drivers/infiniband/hw/efa/efa_verbs.c
> @@ -682,7 +682,7 @@ int efa_create_qp(struct ib_qp *ibqp, struct
> ib_qp_init_attr *init_attr,
>       struct efa_com_create_qp_result create_qp_resp;
>       struct efa_dev *dev = to_edev(ibqp->device);
>       struct efa_ibv_create_qp_resp resp = {};
> -     struct efa_ibv_create_qp cmd = {};
> +     struct efa_ibv_create_qp cmd;
>       struct efa_qp *qp = to_eqp(ibqp);
>       struct efa_ucontext *ucontext;
>       u16 supported_efa_flags = 0;
> @@ -1121,7 +1121,7 @@ int efa_create_user_cq(struct ib_cq *ibcq, const struct
> ib_cq_init_attr *attr,
>       struct efa_com_create_cq_result result;
>       struct ib_device *ibdev = ibcq->device;
>       struct efa_dev *dev = to_edev(ibdev);
> -     struct efa_ibv_create_cq cmd = {};
> +     struct efa_ibv_create_cq cmd;
>       struct efa_cq *cq = to_ecq(ibcq);
>       int entries = attr->cqe;
>       bool set_src_addr;
> diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c
> b/drivers/infiniband/hw/hns/hns_roce_main.c
> index ec6fb3f1177941..0dbe99aab6ad21 100644
> --- a/drivers/infiniband/hw/hns/hns_roce_main.c
> +++ b/drivers/infiniband/hw/hns/hns_roce_main.c
> @@ -425,7 +425,7 @@ static int hns_roce_alloc_ucontext(struct ib_ucontext
> *uctx,
>       struct hns_roce_ucontext *context = to_hr_ucontext(uctx);
>       struct hns_roce_dev *hr_dev = to_hr_dev(uctx->device);
>       struct hns_roce_ib_alloc_ucontext_resp resp = {};
> -     struct hns_roce_ib_alloc_ucontext ucmd = {};
> +     struct hns_roce_ib_alloc_ucontext ucmd;
>       int ret = -EAGAIN;
> 
>       if (!hr_dev->active)
> diff --git a/drivers/infiniband/hw/hns/hns_roce_srq.c
> b/drivers/infiniband/hw/hns/hns_roce_srq.c
> index b37a76587aa868..601f8cdfce96a3 100644
> --- a/drivers/infiniband/hw/hns/hns_roce_srq.c
> +++ b/drivers/infiniband/hw/hns/hns_roce_srq.c
> @@ -406,7 +406,7 @@ static int alloc_srq_db(struct hns_roce_dev *hr_dev,
> struct hns_roce_srq *srq,
>                       struct ib_udata *udata,
>                       struct hns_roce_ib_create_srq_resp *resp)  {
> -     struct hns_roce_ib_create_srq ucmd = {};
> +     struct hns_roce_ib_create_srq ucmd;
>       struct hns_roce_ucontext *uctx;
>       int ret;
> 
> diff --git a/drivers/infiniband/hw/mana/cq.c b/drivers/infiniband/hw/mana/cq.c
> index 3f932ef6e5fff6..f4cbe21763bf11 100644
> --- a/drivers/infiniband/hw/mana/cq.c
> +++ b/drivers/infiniband/hw/mana/cq.c
> @@ -13,7 +13,7 @@ int mana_ib_create_cq(struct ib_cq *ibcq, const struct
> ib_cq_init_attr *attr,
>       struct mana_ib_create_cq_resp resp = {};
>       struct mana_ib_ucontext *mana_ucontext;
>       struct ib_device *ibdev = ibcq->device;
> -     struct mana_ib_create_cq ucmd = {};
> +     struct mana_ib_create_cq ucmd;
>       struct mana_ib_dev *mdev;
>       bool is_rnic_cq;
>       u32 doorbell;
> diff --git a/drivers/infiniband/hw/mana/qp.c b/drivers/infiniband/hw/mana/qp.c
> index 69c8d4f7a1f46b..ddc30d37d715f6 100644
> --- a/drivers/infiniband/hw/mana/qp.c
> +++ b/drivers/infiniband/hw/mana/qp.c
> @@ -97,7 +97,7 @@ static int mana_ib_create_qp_rss(struct ib_qp *ibqp, struct
> ib_pd *pd,
>               container_of(pd->device, struct mana_ib_dev, ib_dev);
>       struct ib_rwq_ind_table *ind_tbl = attr->rwq_ind_tbl;
>       struct mana_ib_create_qp_rss_resp resp = {};
> -     struct mana_ib_create_qp_rss ucmd = {};
> +     struct mana_ib_create_qp_rss ucmd;
>       mana_handle_t *mana_ind_table;
>       struct mana_port_context *mpc;
>       unsigned int ind_tbl_size;
> diff --git a/drivers/infiniband/hw/mana/wq.c
> b/drivers/infiniband/hw/mana/wq.c index aceeea7f17b339..5c2134a0b1a196
> 100644
> --- a/drivers/infiniband/hw/mana/wq.c
> +++ b/drivers/infiniband/hw/mana/wq.c
> @@ -11,7 +11,7 @@ struct ib_wq *mana_ib_create_wq(struct ib_pd *pd,  {
>       struct mana_ib_dev *mdev =
>               container_of(pd->device, struct mana_ib_dev, ib_dev);
> -     struct mana_ib_create_wq ucmd = {};
> +     struct mana_ib_create_wq ucmd;
>       struct mana_ib_wq *wq;
>       int err;
> 
> diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
> index cfb54ffcaac22c..790be09d985a1a 100644
> --- a/drivers/infiniband/hw/mlx4/qp.c
> +++ b/drivers/infiniband/hw/mlx4/qp.c
> @@ -709,7 +709,7 @@ static int _mlx4_ib_create_qp_rss(struct ib_pd *pd,
> struct mlx4_ib_qp *qp,
>                                 struct ib_qp_init_attr *init_attr,
>                                 struct ib_udata *udata)
>  {
> -     struct mlx4_ib_create_qp_rss ucmd = {};
> +     struct mlx4_ib_create_qp_rss ucmd;
>       int err;
> 
>       if (!udata) {
> @@ -4230,7 +4230,7 @@ int mlx4_ib_modify_wq(struct ib_wq *ibwq, struct
> ib_wq_attr *wq_attr,
>                     u32 wq_attr_mask, struct ib_udata *udata)  {
>       struct mlx4_ib_qp *qp = to_mqp((struct ib_qp *)ibwq);
> -     struct mlx4_ib_modify_wq ucmd = {};
> +     struct mlx4_ib_modify_wq ucmd;
>       enum ib_wq_state cur_state, new_state;
>       int err;
> 
> diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c
> index f5e75e51c6763f..1f94863e755cc7 100644
> --- a/drivers/infiniband/hw/mlx5/cq.c
> +++ b/drivers/infiniband/hw/mlx5/cq.c
> @@ -720,7 +720,7 @@ static int create_cq_user(struct mlx5_ib_dev *dev, struct
> ib_udata *udata,
>                         int *cqe_size, int *index, int *inlen,
>                         struct uverbs_attr_bundle *attrs)
>  {
> -     struct mlx5_ib_create_cq ucmd = {};
> +     struct mlx5_ib_create_cq ucmd;
>       unsigned long page_size;
>       unsigned int page_offset_quantized;
>       __be64 *pas;
> diff --git a/drivers/infiniband/hw/mlx5/main.c
> b/drivers/infiniband/hw/mlx5/main.c
> index ff2c02c85625ce..fe3de414bfcad5 100644
> --- a/drivers/infiniband/hw/mlx5/main.c
> +++ b/drivers/infiniband/hw/mlx5/main.c
> @@ -2178,7 +2178,7 @@ static int mlx5_ib_alloc_ucontext(struct ib_ucontext
> *uctx,  {
>       struct ib_device *ibdev = uctx->device;
>       struct mlx5_ib_dev *dev = to_mdev(ibdev);
> -     struct mlx5_ib_alloc_ucontext_req_v2 req = {};
> +     struct mlx5_ib_alloc_ucontext_req_v2 req;
>       struct mlx5_ib_alloc_ucontext_resp resp = {};
>       struct mlx5_ib_ucontext *context = to_mucontext(uctx);
>       struct mlx5_bfreg_info *bfregi;
> diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
> index 49dcc39836c047..37f3d19bd374ee 100644
> --- a/drivers/infiniband/hw/mlx5/mr.c
> +++ b/drivers/infiniband/hw/mlx5/mr.c
> @@ -1768,7 +1768,7 @@ int mlx5_ib_alloc_mw(struct ib_mw *ibmw, struct
> ib_udata *udata)
>       u32 *in = NULL;
>       void *mkc;
>       int err;
> -     struct mlx5_ib_alloc_mw req = {};
> +     struct mlx5_ib_alloc_mw req;
>       struct {
>               __u32   comp_mask;
>               __u32   response_length;
> diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
> index 3b602ed0a2dafc..8f50e7342a7694 100644
> --- a/drivers/infiniband/hw/mlx5/qp.c
> +++ b/drivers/infiniband/hw/mlx5/qp.c
> @@ -4692,7 +4692,7 @@ int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct
> ib_qp_attr *attr,
>       struct mlx5_ib_dev *dev = to_mdev(ibqp->device);
>       struct mlx5_ib_modify_qp_resp resp = {};
>       struct mlx5_ib_qp *qp = to_mqp(ibqp);
> -     struct mlx5_ib_modify_qp ucmd = {};
> +     struct mlx5_ib_modify_qp ucmd;
>       enum ib_qp_type qp_type;
>       enum ib_qp_state cur_state, new_state;
>       int err = -EINVAL;
> @@ -5379,7 +5379,7 @@ static int prepare_user_rq(struct ib_pd *pd,
>                          struct mlx5_ib_rwq *rwq)
>  {
>       struct mlx5_ib_dev *dev = to_mdev(pd->device);
> -     struct mlx5_ib_create_wq ucmd = {};
> +     struct mlx5_ib_create_wq ucmd;
>       int err;
> 
>       err = ib_copy_validate_udata_in_cm(udata, ucmd, diff --git
> a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c
> index 6d89c0242cab61..852f6f502d14d0 100644
> --- a/drivers/infiniband/hw/mlx5/srq.c
> +++ b/drivers/infiniband/hw/mlx5/srq.c
> @@ -45,7 +45,7 @@ static int create_srq_user(struct ib_pd *pd, struct
> mlx5_ib_srq *srq,
>                          struct ib_udata *udata, int buf_size)  {
>       struct mlx5_ib_dev *dev = to_mdev(pd->device);
> -     struct mlx5_ib_create_srq ucmd = {};
> +     struct mlx5_ib_create_srq ucmd;
>       struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context(
>               udata, struct mlx5_ib_ucontext, ibucontext);
>       int err;
> diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
> b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
> index 8b285fcc638701..eed149f7a942b8 100644
> --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
> +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
> @@ -1311,12 +1311,14 @@ int ocrdma_create_qp(struct ib_qp *ibqp, struct
> ib_qp_init_attr *attrs,
>       if (status)
>               goto gen_err;
> 
> -     memset(&ureq, 0, sizeof(ureq));
>       if (udata) {
>               status = ib_copy_validate_udata_in(udata, ureq, rsvd1);
>               if (status)
>                       return status;
> +     } else {
> +             memset(&ureq, 0, sizeof(ureq));
>       }
> +
>       ocrdma_set_qp_init_params(qp, pd, attrs);
>       if (udata == NULL)
>               qp->cap_flags |= (OCRDMA_QP_MW_BIND |
> OCRDMA_QP_LKEY0 | diff --git a/drivers/infiniband/hw/qedr/verbs.c
> b/drivers/infiniband/hw/qedr/verbs.c
> index 42d20b35ff3fe0..679aa6f3a63bc5 100644
> --- a/drivers/infiniband/hw/qedr/verbs.c
> +++ b/drivers/infiniband/hw/qedr/verbs.c
> @@ -264,7 +264,7 @@ int qedr_alloc_ucontext(struct ib_ucontext *uctx, struct
> ib_udata *udata)
>       int rc;
>       struct qedr_ucontext *ctx = get_qedr_ucontext(uctx);
>       struct qedr_alloc_ucontext_resp uresp = {};
> -     struct qedr_alloc_ucontext_req ureq = {};
> +     struct qedr_alloc_ucontext_req ureq;
>       struct qedr_dev *dev = get_qedr_dev(ibdev);
>       struct qed_rdma_add_user_out_params oparams;
>       struct qedr_user_mmap_entry *entry;
> @@ -913,7 +913,7 @@ int qedr_create_cq(struct ib_cq *ibcq, const struct
> ib_cq_init_attr *attr,
>       };
>       struct qedr_dev *dev = get_qedr_dev(ibdev);
>       struct qed_rdma_create_cq_in_params params;
> -     struct qedr_create_cq_ureq ureq = {};
> +     struct qedr_create_cq_ureq ureq;
>       int vector = attr->comp_vector;
>       int entries = attr->cqe;
>       struct qedr_cq *cq = get_qedr_cq(ibcq); @@ -1541,7 +1541,7 @@ int
> qedr_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init_attr,
>       struct qedr_dev *dev = get_qedr_dev(ibsrq->device);
>       struct qed_rdma_create_srq_out_params out_params;
>       struct qedr_pd *pd = get_qedr_pd(ibsrq->pd);
> -     struct qedr_create_srq_ureq ureq = {};
> +     struct qedr_create_srq_ureq ureq;
>       u64 pbl_base_addr, phy_prod_pair_addr;
>       struct qedr_srq_hwq_info *hw_srq;
>       u32 page_cnt, page_size;
> @@ -1837,7 +1837,7 @@ static int qedr_create_user_qp(struct qedr_dev *dev,
>       struct qed_rdma_create_qp_in_params in_params;
>       struct qed_rdma_create_qp_out_params out_params;
>       struct qedr_create_qp_uresp uresp = {};
> -     struct qedr_create_qp_ureq ureq = {};
> +     struct qedr_create_qp_ureq ureq;
>       int alloc_and_init = rdma_protocol_roce(&dev->ibdev, 1);
>       struct qedr_ucontext *ctx = NULL;
>       struct qedr_pd *pd = NULL;
> --
> 2.43.0


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