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RDMA/uverbs: Use only attrs for the write() handler signature

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All of the old arguments can be derived from the uverbs_attr_bundle
structure, so get rid of the redundant arguments. Most of the prior work
has been removing users of the arguments to allow this to be a simple
patch.

Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
这个提交包含在：
Jason Gunthorpe
2018-11-25 20:58:45 +02:00
提交者 Doug Ledford
父节点 ece9ca97cc
当前提交 974d6b4b2b
共修改 5 个文件，包含 56 行新增和 134 行删除
下载 Patch 文件 下载 Diff 文件 展开所有文件 折叠所有文件

5
drivers/infiniband/core/rdma_core.h
查看文件

@@ -137,10 +137,7 @@ struct uverbs_api_ioctl_method {
};
struct uverbs_api_write_method {
int (*handler)(struct uverbs_attr_bundle *attrs, const char __user *buf,
int in_len, int out_len);
int (*handler_ex)(struct uverbs_attr_bundle *attrs,
struct ib_udata *ucore);
int (*handler)(struct uverbs_attr_bundle *attrs);
u8 disabled:1;
u8 is_ex:1;
u8 has_udata:1;

150
drivers/infiniband/core/uverbs_cmd.c
查看文件

@@ -186,9 +186,7 @@ _ib_uverbs_lookup_comp_file(s32 fd, const struct uverbs_attr_bundle *attrs)
#define ib_uverbs_lookup_comp_file(_fd, _ufile) \
_ib_uverbs_lookup_comp_file((_fd)*typecheck(s32, _fd), _ufile)
static int ib_uverbs_get_context(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len,
int out_len)
static int ib_uverbs_get_context(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_file *file = attrs->ufile;
struct ib_uverbs_get_context cmd;
@@ -337,9 +335,7 @@ static void copy_query_dev_fields(struct ib_ucontext *ucontext,
resp->phys_port_cnt = ib_dev->phys_port_cnt;
}
static int ib_uverbs_query_device(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len,
int out_len)
static int ib_uverbs_query_device(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_query_device cmd;
struct ib_uverbs_query_device_resp resp;
@@ -381,8 +377,7 @@ static u32 make_port_cap_flags(const struct ib_port_attr *attr)
return res;
}
static int ib_uverbs_query_port(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_query_port(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_query_port cmd;
struct ib_uverbs_query_port_resp resp;
@@ -440,8 +435,7 @@ static int ib_uverbs_query_port(struct uverbs_attr_bundle *attrs,
return uverbs_response(attrs, &resp, sizeof(resp));
}
static int ib_uverbs_alloc_pd(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_alloc_pd(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_alloc_pd cmd;
struct ib_uverbs_alloc_pd_resp resp;
@@ -489,8 +483,7 @@ err:
return ret;
}
static int ib_uverbs_dealloc_pd(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_dealloc_pd(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_dealloc_pd cmd;
int ret;
@@ -587,8 +580,7 @@ static void xrcd_table_delete(struct ib_uverbs_device *dev,
}
}
static int ib_uverbs_open_xrcd(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_open_xrcd(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_device *ibudev = attrs->ufile->device;
struct ib_uverbs_open_xrcd cmd;
@@ -700,8 +692,7 @@ err_tree_mutex_unlock:
return ret;
}
static int ib_uverbs_close_xrcd(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_close_xrcd(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_close_xrcd cmd;
int ret;
@@ -738,8 +729,7 @@ int ib_uverbs_dealloc_xrcd(struct ib_uobject *uobject,
return ret;
}
static int ib_uverbs_reg_mr(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_reg_mr(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_reg_mr cmd;
struct ib_uverbs_reg_mr_resp resp;
@@ -820,8 +810,7 @@ err_free:
return ret;
}
static int ib_uverbs_rereg_mr(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_rereg_mr(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_rereg_mr cmd;
struct ib_uverbs_rereg_mr_resp resp;
@@ -899,8 +888,7 @@ put_uobjs:
return ret;
}
static int ib_uverbs_dereg_mr(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_dereg_mr(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_dereg_mr cmd;
int ret;
@@ -912,8 +900,7 @@ static int ib_uverbs_dereg_mr(struct uverbs_attr_bundle *attrs,
return uobj_perform_destroy(UVERBS_OBJECT_MR, cmd.mr_handle, attrs);
}
static int ib_uverbs_alloc_mw(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_alloc_mw(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_alloc_mw cmd;
struct ib_uverbs_alloc_mw_resp resp;
@@ -970,8 +957,7 @@ err_free:
return ret;
}
static int ib_uverbs_dealloc_mw(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_dealloc_mw(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_dealloc_mw cmd;
int ret;
@@ -983,9 +969,7 @@ static int ib_uverbs_dealloc_mw(struct uverbs_attr_bundle *attrs,
return uobj_perform_destroy(UVERBS_OBJECT_MW, cmd.mw_handle, attrs);
}
static int ib_uverbs_create_comp_channel(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len,
int out_len)
static int ib_uverbs_create_comp_channel(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_create_comp_channel cmd;
struct ib_uverbs_create_comp_channel_resp resp;
@@ -1099,8 +1083,7 @@ err:
return ERR_PTR(ret);
}
static int ib_uverbs_create_cq(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_create_cq(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_create_cq cmd;
struct ib_uverbs_ex_create_cq cmd_ex;
@@ -1121,8 +1104,7 @@ static int ib_uverbs_create_cq(struct uverbs_attr_bundle *attrs,
return PTR_ERR_OR_ZERO(obj);
}
static int ib_uverbs_ex_create_cq(struct uverbs_attr_bundle *attrs,
struct ib_udata *ucore)
static int ib_uverbs_ex_create_cq(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_ex_create_cq cmd;
struct ib_ucq_object *obj;
@@ -1142,8 +1124,7 @@ static int ib_uverbs_ex_create_cq(struct uverbs_attr_bundle *attrs,
return PTR_ERR_OR_ZERO(obj);
}
static int ib_uverbs_resize_cq(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_resize_cq(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_resize_cq cmd;
struct ib_uverbs_resize_cq_resp resp = {};
@@ -1201,8 +1182,7 @@ static int copy_wc_to_user(struct ib_device *ib_dev, void __user *dest,
return 0;
}
static int ib_uverbs_poll_cq(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_poll_cq(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_poll_cq cmd;
struct ib_uverbs_poll_cq_resp resp;
@@ -1252,9 +1232,7 @@ out_put:
return ret;
}
static int ib_uverbs_req_notify_cq(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len,
int out_len)
static int ib_uverbs_req_notify_cq(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_req_notify_cq cmd;
struct ib_cq *cq;
@@ -1276,8 +1254,7 @@ static int ib_uverbs_req_notify_cq(struct uverbs_attr_bundle *attrs,
return 0;
}
static int ib_uverbs_destroy_cq(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_destroy_cq(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_destroy_cq cmd;
struct ib_uverbs_destroy_cq_resp resp;
@@ -1549,8 +1526,7 @@ err_put:
return ret;
}
static int ib_uverbs_create_qp(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_create_qp(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_create_qp cmd;
struct ib_uverbs_ex_create_qp cmd_ex;
@@ -1578,8 +1554,7 @@ static int ib_uverbs_create_qp(struct uverbs_attr_bundle *attrs,
return create_qp(attrs, &cmd_ex);
}
static int ib_uverbs_ex_create_qp(struct uverbs_attr_bundle *attrs,
struct ib_udata *ucore)
static int ib_uverbs_ex_create_qp(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_ex_create_qp cmd;
int ret;
@@ -1597,8 +1572,7 @@ static int ib_uverbs_ex_create_qp(struct uverbs_attr_bundle *attrs,
return create_qp(attrs, &cmd);
}
static int ib_uverbs_open_qp(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_open_qp(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_open_qp cmd;
struct ib_uverbs_create_qp_resp resp;
@@ -1695,8 +1669,7 @@ static void copy_ah_attr_to_uverbs(struct ib_uverbs_qp_dest *uverb_attr,
uverb_attr->port_num = rdma_ah_get_port_num(rdma_attr);
}
static int ib_uverbs_query_qp(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_query_qp(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_query_qp cmd;
struct ib_uverbs_query_qp_resp resp;
@@ -1968,8 +1941,7 @@ out:
return ret;
}
static int ib_uverbs_modify_qp(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_modify_qp(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_ex_modify_qp cmd;
int ret;
@@ -1985,8 +1957,7 @@ static int ib_uverbs_modify_qp(struct uverbs_attr_bundle *attrs,
return modify_qp(attrs, &cmd);
}
static int ib_uverbs_ex_modify_qp(struct uverbs_attr_bundle *attrs,
struct ib_udata *ucore)
static int ib_uverbs_ex_modify_qp(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_ex_modify_qp cmd;
struct ib_uverbs_ex_modify_qp_resp resp = {
@@ -2015,8 +1986,7 @@ static int ib_uverbs_ex_modify_qp(struct uverbs_attr_bundle *attrs,
return uverbs_response(attrs, &resp, sizeof(resp));
}
static int ib_uverbs_destroy_qp(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_destroy_qp(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_destroy_qp cmd;
struct ib_uverbs_destroy_qp_resp resp;
@@ -2051,8 +2021,7 @@ static void *alloc_wr(size_t wr_size, __u32 num_sge)
num_sge * sizeof (struct ib_sge), GFP_KERNEL);
}
static int ib_uverbs_post_send(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_post_send(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_post_send cmd;
struct ib_uverbs_post_send_resp resp;
@@ -2341,8 +2310,7 @@ err:
return ERR_PTR(ret);
}
static int ib_uverbs_post_recv(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_post_recv(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_post_recv cmd;
struct ib_uverbs_post_recv_resp resp;
@@ -2392,9 +2360,7 @@ out:
return ret;
}
static int ib_uverbs_post_srq_recv(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len,
int out_len)
static int ib_uverbs_post_srq_recv(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_post_srq_recv cmd;
struct ib_uverbs_post_srq_recv_resp resp;
@@ -2445,8 +2411,7 @@ out:
return ret;
}
static int ib_uverbs_create_ah(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_create_ah(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_create_ah cmd;
struct ib_uverbs_create_ah_resp resp;
@@ -2524,8 +2489,7 @@ err:
return ret;
}
static int ib_uverbs_destroy_ah(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_destroy_ah(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_destroy_ah cmd;
int ret;
@@ -2537,9 +2501,7 @@ static int ib_uverbs_destroy_ah(struct uverbs_attr_bundle *attrs,
return uobj_perform_destroy(UVERBS_OBJECT_AH, cmd.ah_handle, attrs);
}
static int ib_uverbs_attach_mcast(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len,
int out_len)
static int ib_uverbs_attach_mcast(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_attach_mcast cmd;
struct ib_qp *qp;
@@ -2587,9 +2549,7 @@ out_put:
return ret;
}
static int ib_uverbs_detach_mcast(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len,
int out_len)
static int ib_uverbs_detach_mcast(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_detach_mcast cmd;
struct ib_uqp_object *obj;
@@ -2950,8 +2910,7 @@ static int kern_spec_to_ib_spec(struct uverbs_attr_bundle *attrs,
return kern_spec_to_ib_spec_filter(kern_spec, ib_spec);
}
static int ib_uverbs_ex_create_wq(struct uverbs_attr_bundle *attrs,
struct ib_udata *ucore)
static int ib_uverbs_ex_create_wq(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_ex_create_wq cmd;
struct ib_uverbs_ex_create_wq_resp resp = {};
@@ -3042,8 +3001,7 @@ err_uobj:
return err;
}
static int ib_uverbs_ex_destroy_wq(struct uverbs_attr_bundle *attrs,
struct ib_udata *ucore)
static int ib_uverbs_ex_destroy_wq(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_ex_destroy_wq cmd;
struct ib_uverbs_ex_destroy_wq_resp resp = {};
@@ -3071,8 +3029,7 @@ static int ib_uverbs_ex_destroy_wq(struct uverbs_attr_bundle *attrs,
return uverbs_response(attrs, &resp, sizeof(resp));
}
static int ib_uverbs_ex_modify_wq(struct uverbs_attr_bundle *attrs,
struct ib_udata *ucore)
static int ib_uverbs_ex_modify_wq(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_ex_modify_wq cmd;
struct ib_wq *wq;
@@ -3105,8 +3062,7 @@ static int ib_uverbs_ex_modify_wq(struct uverbs_attr_bundle *attrs,
return ret;
}
static int ib_uverbs_ex_create_rwq_ind_table(struct uverbs_attr_bundle *attrs,
struct ib_udata *ucore)
static int ib_uverbs_ex_create_rwq_ind_table(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_ex_create_rwq_ind_table cmd;
struct ib_uverbs_ex_create_rwq_ind_table_resp resp = {};
@@ -3220,8 +3176,7 @@ err_free:
return err;
}
static int ib_uverbs_ex_destroy_rwq_ind_table(struct uverbs_attr_bundle *attrs,
struct ib_udata *ucore)
static int ib_uverbs_ex_destroy_rwq_ind_table(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_ex_destroy_rwq_ind_table cmd;
int ret;
@@ -3237,8 +3192,7 @@ static int ib_uverbs_ex_destroy_rwq_ind_table(struct uverbs_attr_bundle *attrs,
cmd.ind_tbl_handle, attrs);
}
static int ib_uverbs_ex_create_flow(struct uverbs_attr_bundle *attrs,
struct ib_udata *ucore)
static int ib_uverbs_ex_create_flow(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_create_flow cmd;
struct ib_uverbs_create_flow_resp resp;
@@ -3403,8 +3357,7 @@ err_free_attr:
return err;
}
static int ib_uverbs_ex_destroy_flow(struct uverbs_attr_bundle *attrs,
struct ib_udata *ucore)
static int ib_uverbs_ex_destroy_flow(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_destroy_flow cmd;
int ret;
@@ -3553,8 +3506,7 @@ err:
return ret;
}
static int ib_uverbs_create_srq(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_create_srq(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_create_srq cmd;
struct ib_uverbs_create_xsrq xcmd;
@@ -3576,9 +3528,7 @@ static int ib_uverbs_create_srq(struct uverbs_attr_bundle *attrs,
return __uverbs_create_xsrq(attrs, &xcmd, &attrs->driver_udata);
}
static int ib_uverbs_create_xsrq(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len,
int out_len)
static int ib_uverbs_create_xsrq(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_create_xsrq cmd;
int ret;
@@ -3590,8 +3540,7 @@ static int ib_uverbs_create_xsrq(struct uverbs_attr_bundle *attrs,
return __uverbs_create_xsrq(attrs, &cmd, &attrs->driver_udata);
}
static int ib_uverbs_modify_srq(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_modify_srq(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_modify_srq cmd;
struct ib_srq *srq;
@@ -3617,8 +3566,7 @@ static int ib_uverbs_modify_srq(struct uverbs_attr_bundle *attrs,
return ret;
}
static int ib_uverbs_query_srq(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
static int ib_uverbs_query_srq(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_query_srq cmd;
struct ib_uverbs_query_srq_resp resp;
@@ -3650,9 +3598,7 @@ static int ib_uverbs_query_srq(struct uverbs_attr_bundle *attrs,
return uverbs_response(attrs, &resp, sizeof(resp));
}
static int ib_uverbs_destroy_srq(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len,
int out_len)
static int ib_uverbs_destroy_srq(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_destroy_srq cmd;
struct ib_uverbs_destroy_srq_resp resp;
@@ -3677,8 +3623,7 @@ static int ib_uverbs_destroy_srq(struct uverbs_attr_bundle *attrs,
return uverbs_response(attrs, &resp, sizeof(resp));
}
static int ib_uverbs_ex_query_device(struct uverbs_attr_bundle *attrs,
struct ib_udata *ucore)
static int ib_uverbs_ex_query_device(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_ex_query_device_resp resp = {};
struct ib_uverbs_ex_query_device cmd;
@@ -3743,8 +3688,7 @@ static int ib_uverbs_ex_query_device(struct uverbs_attr_bundle *attrs,
return uverbs_response(attrs, &resp, sizeof(resp));
}
static int ib_uverbs_ex_modify_cq(struct uverbs_attr_bundle *attrs,
struct ib_udata *ucore)
static int ib_uverbs_ex_modify_cq(struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_ex_modify_cq cmd;
struct ib_cq *cq;

4
drivers/infiniband/core/uverbs_main.c
查看文件

@@ -739,8 +739,6 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf,
ib_uverbs_init_udata_buf_or_null(
&bundle.ucore, buf, u64_to_user_ptr(response),
in_len, out_len);
ret = method_elm->handler(&bundle, buf, in_len, out_len);
} else {
buf += sizeof(ex_hdr);
@@ -754,9 +752,9 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf,
ex_hdr.provider_in_words * 8,
ex_hdr.provider_out_words * 8);
ret = method_elm->handler_ex(&bundle, &bundle.ucore);
}
ret = method_elm->handler(&bundle);
out_unlock:
srcu_read_unlock(&file->device->disassociate_srcu, srcu_key);
return (ret) ? : count;

23
drivers/infiniband/core/uverbs_uapi.c
查看文件

@@ -8,14 +8,7 @@
#include "rdma_core.h"
#include "uverbs.h"
static int ib_uverbs_notsupp(struct uverbs_attr_bundle *attrs,
const char __user *buf, int in_len, int out_len)
{
return -EOPNOTSUPP;
}
static int ib_uverbs_ex_notsupp(struct uverbs_attr_bundle *attrs,
struct ib_udata *ucore)
static int ib_uverbs_notsupp(struct uverbs_attr_bundle *attrs)
{
return -EOPNOTSUPP;
}
@@ -79,22 +72,17 @@ static int uapi_create_write(struct uverbs_api *uapi,
if (IS_ERR(method_elm))
return PTR_ERR(method_elm);
if (WARN_ON(exists && (def->write.is_ex != method_elm->is_ex ||
method_elm->handler_ex || method_elm->handler)))
if (WARN_ON(exists && (def->write.is_ex != method_elm->is_ex)))
return -EINVAL;
method_elm->is_ex = def->write.is_ex;
if (def->write.is_ex) {
method_elm->handler_ex = def->func_write_ex;
method_elm->handler = def->func_write;
if (def->write.is_ex)
method_elm->disabled = !(ibdev->uverbs_ex_cmd_mask &
BIT_ULL(def->write.command_num));
} else {
method_elm->handler = def->func_write;
else
method_elm->disabled = !(ibdev->uverbs_cmd_mask &
BIT_ULL(def->write.command_num));
}
if (!def->write.is_ex && def->func_write) {
method_elm->has_udata = def->write.has_udata;
@@ -449,7 +437,6 @@ static int uapi_finalize(struct uverbs_api *uapi)
}
uapi->notsupp_method.handler = ib_uverbs_notsupp;
uapi->notsupp_method.handler_ex = ib_uverbs_ex_notsupp;
uapi->num_write = max_write + 1;
uapi->num_write_ex = max_write_ex + 1;
data = kmalloc_array(uapi->num_write + uapi->num_write_ex,