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Commit 2cc1e3b8 authored by Jason Gunthorpe's avatar Jason Gunthorpe
Browse files

IB/uverbs: Replace file->ucontext with file in uverbs_cmd.c 



The ucontext isn't needed any more, just pass the uverbs_file directly.

Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leonro@mellanox.com>
parent 6ef1c828

drivers/infiniband/core/uverbs_cmd.c

+71 −82
Original line number Diff line number Diff line
@@ -48,10 +48,10 @@ 
#include "core_priv.h"



static struct ib_uverbs_completion_event_file *

ib_uverbs_lookup_comp_file(int fd, struct ib_ucontext *context)

ib_uverbs_lookup_comp_file(int fd, struct ib_uverbs_file *ufile)

{

	struct ib_uobject *uobj = uobj_get_read(UVERBS_OBJECT_COMP_CHANNEL,

						fd, context);

						fd, ufile);

	struct ib_uobject_file *uobj_file;



	if (IS_ERR(uobj))
@@ -322,7 +322,7 @@ ssize_t ib_uverbs_alloc_pd(struct ib_uverbs_file *file, 
                   in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr),

                   out_len - sizeof(resp));



	uobj  = uobj_alloc(UVERBS_OBJECT_PD, file->ucontext);

	uobj = uobj_alloc(UVERBS_OBJECT_PD, file);

	if (IS_ERR(uobj))

		return PTR_ERR(uobj);
@@ -509,8 +509,7 @@ ssize_t ib_uverbs_open_xrcd(struct ib_uverbs_file *file, 
		}

	}



	obj  = (struct ib_uxrcd_object *)uobj_alloc(UVERBS_OBJECT_XRCD,

						    file->ucontext);

	obj = (struct ib_uxrcd_object *)uobj_alloc(UVERBS_OBJECT_XRCD, file);

	if (IS_ERR(obj)) {

		ret = PTR_ERR(obj);

		goto err_tree_mutex_unlock;
@@ -652,11 +651,11 @@ ssize_t ib_uverbs_reg_mr(struct ib_uverbs_file *file, 
	if (ret)

		return ret;



	uobj  = uobj_alloc(UVERBS_OBJECT_MR, file->ucontext);

	uobj = uobj_alloc(UVERBS_OBJECT_MR, file);

	if (IS_ERR(uobj))

		return PTR_ERR(uobj);



	pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle, file->ucontext);

	pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle, file);

	if (!pd) {

		ret = -EINVAL;

		goto err_free;
@@ -748,8 +747,7 @@ ssize_t ib_uverbs_rereg_mr(struct ib_uverbs_file *file, 
	     (cmd.start & ~PAGE_MASK) != (cmd.hca_va & ~PAGE_MASK)))

			return -EINVAL;



	uobj  = uobj_get_write(UVERBS_OBJECT_MR, cmd.mr_handle,

			       file->ucontext);

	uobj = uobj_get_write(UVERBS_OBJECT_MR, cmd.mr_handle, file);

	if (IS_ERR(uobj))

		return PTR_ERR(uobj);
@@ -767,7 +765,8 @@ ssize_t ib_uverbs_rereg_mr(struct ib_uverbs_file *file, 
	}



	if (cmd.flags & IB_MR_REREG_PD) {

		pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle, file->ucontext);

		pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle,

				       file);

		if (!pd) {

			ret = -EINVAL;

			goto put_uobjs;
@@ -840,11 +839,11 @@ ssize_t ib_uverbs_alloc_mw(struct ib_uverbs_file *file, 
	if (copy_from_user(&cmd, buf, sizeof(cmd)))

		return -EFAULT;



	uobj  = uobj_alloc(UVERBS_OBJECT_MW, file->ucontext);

	uobj = uobj_alloc(UVERBS_OBJECT_MW, file);

	if (IS_ERR(uobj))

		return PTR_ERR(uobj);



	pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle, file->ucontext);

	pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle, file);

	if (!pd) {

		ret = -EINVAL;

		goto err_free;
@@ -921,7 +920,7 @@ ssize_t ib_uverbs_create_comp_channel(struct ib_uverbs_file *file, 
	if (copy_from_user(&cmd, buf, sizeof cmd))

		return -EFAULT;



	uobj = uobj_alloc(UVERBS_OBJECT_COMP_CHANNEL, file->ucontext);

	uobj = uobj_alloc(UVERBS_OBJECT_COMP_CHANNEL, file);

	if (IS_ERR(uobj))

		return PTR_ERR(uobj);
@@ -966,14 +965,12 @@ static struct ib_ucq_object *create_cq(struct ib_uverbs_file *file, 
	if (cmd->comp_vector >= file->device->num_comp_vectors)

		return ERR_PTR(-EINVAL);



	obj  = (struct ib_ucq_object *)uobj_alloc(UVERBS_OBJECT_CQ,

						  file->ucontext);

	obj = (struct ib_ucq_object *)uobj_alloc(UVERBS_OBJECT_CQ, file);

	if (IS_ERR(obj))

		return obj;



	if (cmd->comp_channel >= 0) {

		ev_file = ib_uverbs_lookup_comp_file(cmd->comp_channel,

						     file->ucontext);

		ev_file = ib_uverbs_lookup_comp_file(cmd->comp_channel, file);

		if (IS_ERR(ev_file)) {

			ret = PTR_ERR(ev_file);

			goto err;
@@ -1155,7 +1152,7 @@ ssize_t ib_uverbs_resize_cq(struct ib_uverbs_file *file, 
		   in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr),

		   out_len - sizeof(resp));



	cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, file->ucontext);

	cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, file);

	if (!cq)

		return -EINVAL;
@@ -1220,7 +1217,7 @@ ssize_t ib_uverbs_poll_cq(struct ib_uverbs_file *file, 
	if (copy_from_user(&cmd, buf, sizeof cmd))

		return -EFAULT;



	cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, file->ucontext);

	cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, file);

	if (!cq)

		return -EINVAL;
@@ -1267,7 +1264,7 @@ ssize_t ib_uverbs_req_notify_cq(struct ib_uverbs_file *file, 
	if (copy_from_user(&cmd, buf, sizeof cmd))

		return -EFAULT;



	cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, file->ucontext);

	cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, file);

	if (!cq)

		return -EINVAL;
@@ -1294,8 +1291,7 @@ ssize_t ib_uverbs_destroy_cq(struct ib_uverbs_file *file, 
	if (copy_from_user(&cmd, buf, sizeof cmd))

		return -EFAULT;



	uobj  = uobj_get_write(UVERBS_OBJECT_CQ, cmd.cq_handle,

			       file->ucontext);

	uobj = uobj_get_write(UVERBS_OBJECT_CQ, cmd.cq_handle, file);

	if (IS_ERR(uobj))

		return PTR_ERR(uobj);
@@ -1353,8 +1349,7 @@ static int create_qp(struct ib_uverbs_file *file, 
	if (cmd->qp_type == IB_QPT_RAW_PACKET && !capable(CAP_NET_RAW))

		return -EPERM;



	obj  = (struct ib_uqp_object *)uobj_alloc(UVERBS_OBJECT_QP,

						  file->ucontext);

	obj = (struct ib_uqp_object *)uobj_alloc(UVERBS_OBJECT_QP, file);

	if (IS_ERR(obj))

		return PTR_ERR(obj);

	obj->uxrcd = NULL;
@@ -1364,9 +1359,9 @@ static int create_qp(struct ib_uverbs_file *file, 
	if (cmd_sz >= offsetof(typeof(*cmd), rwq_ind_tbl_handle) +

		      sizeof(cmd->rwq_ind_tbl_handle) &&

		      (cmd->comp_mask & IB_UVERBS_CREATE_QP_MASK_IND_TABLE)) {

		ind_tbl = uobj_get_obj_read(rwq_ind_table, UVERBS_OBJECT_RWQ_IND_TBL,

					    cmd->rwq_ind_tbl_handle,

					    file->ucontext);

		ind_tbl = uobj_get_obj_read(rwq_ind_table,

					    UVERBS_OBJECT_RWQ_IND_TBL,

					    cmd->rwq_ind_tbl_handle, file);

		if (!ind_tbl) {

			ret = -EINVAL;

			goto err_put;
@@ -1392,7 +1387,7 @@ static int create_qp(struct ib_uverbs_file *file, 


	if (cmd->qp_type == IB_QPT_XRC_TGT) {

		xrcd_uobj = uobj_get_read(UVERBS_OBJECT_XRCD, cmd->pd_handle,

					  file->ucontext);

					  file);



		if (IS_ERR(xrcd_uobj)) {

			ret = -EINVAL;
@@ -1411,8 +1406,8 @@ static int create_qp(struct ib_uverbs_file *file, 
			cmd->max_recv_sge = 0;

		} else {

			if (cmd->is_srq) {

				srq = uobj_get_obj_read(srq, UVERBS_OBJECT_SRQ, cmd->srq_handle,

							file->ucontext);

				srq = uobj_get_obj_read(srq, UVERBS_OBJECT_SRQ,

							cmd->srq_handle, file);

				if (!srq || srq->srq_type == IB_SRQT_XRC) {

					ret = -EINVAL;

					goto err_put;
@@ -1421,8 +1416,9 @@ static int create_qp(struct ib_uverbs_file *file, 


			if (!ind_tbl) {

				if (cmd->recv_cq_handle != cmd->send_cq_handle) {

					rcq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd->recv_cq_handle,

								file->ucontext);

					rcq = uobj_get_obj_read(

						cq, UVERBS_OBJECT_CQ,

						cmd->recv_cq_handle, file);

					if (!rcq) {

						ret = -EINVAL;

						goto err_put;
@@ -1432,11 +1428,12 @@ static int create_qp(struct ib_uverbs_file *file, 
		}



		if (has_sq)

			scq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd->send_cq_handle,

						file->ucontext);

			scq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ,

						cmd->send_cq_handle, file);

		if (!ind_tbl)

			rcq = rcq ?: scq;

		pd  = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd->pd_handle, file->ucontext);

		pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd->pd_handle,

				       file);

		if (!pd || (!scq && has_sq)) {

			ret = -EINVAL;

			goto err_put;
@@ -1733,13 +1730,11 @@ ssize_t ib_uverbs_open_qp(struct ib_uverbs_file *file, 
		   in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr),

		   out_len - sizeof(resp));



	obj  = (struct ib_uqp_object *)uobj_alloc(UVERBS_OBJECT_QP,

						  file->ucontext);

	obj = (struct ib_uqp_object *)uobj_alloc(UVERBS_OBJECT_QP, file);

	if (IS_ERR(obj))

		return PTR_ERR(obj);



	xrcd_uobj = uobj_get_read(UVERBS_OBJECT_XRCD, cmd.pd_handle,

				  file->ucontext);

	xrcd_uobj = uobj_get_read(UVERBS_OBJECT_XRCD, cmd.pd_handle, file);

	if (IS_ERR(xrcd_uobj)) {

		ret = -EINVAL;

		goto err_put;
@@ -1841,7 +1836,7 @@ ssize_t ib_uverbs_query_qp(struct ib_uverbs_file *file, 
		goto out;

	}



	qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, file->ucontext);

	qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, file);

	if (!qp) {

		ret = -EINVAL;

		goto out;
@@ -1946,7 +1941,7 @@ static int modify_qp(struct ib_uverbs_file *file, 
	if (!attr)

		return -ENOMEM;



	qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd->base.qp_handle, file->ucontext);

	qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd->base.qp_handle, file);

	if (!qp) {

		ret = -EINVAL;

		goto out;
@@ -2101,8 +2096,7 @@ ssize_t ib_uverbs_destroy_qp(struct ib_uverbs_file *file, 


	memset(&resp, 0, sizeof resp);



	uobj  = uobj_get_write(UVERBS_OBJECT_QP, cmd.qp_handle,

			       file->ucontext);

	uobj = uobj_get_write(UVERBS_OBJECT_QP, cmd.qp_handle, file);

	if (IS_ERR(uobj))

		return PTR_ERR(uobj);
@@ -2167,7 +2161,7 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file, 
	if (!user_wr)

		return -ENOMEM;



	qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, file->ucontext);

	qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, file);

	if (!qp)

		goto out;
@@ -2203,8 +2197,8 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file, 
				goto out_put;

			}



			ud->ah = uobj_get_obj_read(ah, UVERBS_OBJECT_AH, user_wr->wr.ud.ah,

						   file->ucontext);

			ud->ah = uobj_get_obj_read(ah, UVERBS_OBJECT_AH,

						   user_wr->wr.ud.ah, file);

			if (!ud->ah) {

				kfree(ud);

				ret = -EINVAL;
@@ -2438,7 +2432,7 @@ ssize_t ib_uverbs_post_recv(struct ib_uverbs_file *file, 
	if (IS_ERR(wr))

		return PTR_ERR(wr);



	qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, file->ucontext);

	qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, file);

	if (!qp)

		goto out;
@@ -2487,7 +2481,7 @@ ssize_t ib_uverbs_post_srq_recv(struct ib_uverbs_file *file, 
	if (IS_ERR(wr))

		return PTR_ERR(wr);



	srq = uobj_get_obj_read(srq, UVERBS_OBJECT_SRQ, cmd.srq_handle, file->ucontext);

	srq = uobj_get_obj_read(srq, UVERBS_OBJECT_SRQ, cmd.srq_handle, file);

	if (!srq)

		goto out;
@@ -2544,11 +2538,11 @@ ssize_t ib_uverbs_create_ah(struct ib_uverbs_file *file, 
		   in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr),

		   out_len - sizeof(resp));



	uobj  = uobj_alloc(UVERBS_OBJECT_AH, file->ucontext);

	uobj = uobj_alloc(UVERBS_OBJECT_AH, file);

	if (IS_ERR(uobj))

		return PTR_ERR(uobj);



	pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle, file->ucontext);

	pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle, file);

	if (!pd) {

		ret = -EINVAL;

		goto err;
@@ -2632,7 +2626,7 @@ ssize_t ib_uverbs_attach_mcast(struct ib_uverbs_file *file, 
	if (copy_from_user(&cmd, buf, sizeof cmd))

		return -EFAULT;



	qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, file->ucontext);

	qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, file);

	if (!qp)

		return -EINVAL;
@@ -2683,7 +2677,7 @@ ssize_t ib_uverbs_detach_mcast(struct ib_uverbs_file *file, 
	if (copy_from_user(&cmd, buf, sizeof cmd))

		return -EFAULT;



	qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, file->ucontext);

	qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, file);

	if (!qp)

		return -EINVAL;
@@ -2791,7 +2785,7 @@ static void flow_resources_add(struct ib_uflow_resources *uflow_res, 
	uflow_res->num++;

}



static int kern_spec_to_ib_spec_action(struct ib_ucontext *ucontext,

static int kern_spec_to_ib_spec_action(struct ib_uverbs_file *ufile,

				       struct ib_uverbs_flow_spec *kern_spec,

				       union ib_flow_spec *ib_spec,

				       struct ib_uflow_resources *uflow_res)
@@ -2820,7 +2814,7 @@ static int kern_spec_to_ib_spec_action(struct ib_ucontext *ucontext, 
		ib_spec->action.act = uobj_get_obj_read(flow_action,

							UVERBS_OBJECT_FLOW_ACTION,

							kern_spec->action.handle,

							ucontext);

							ufile);

		if (!ib_spec->action.act)

			return -EINVAL;

		ib_spec->action.size =
@@ -2838,7 +2832,7 @@ static int kern_spec_to_ib_spec_action(struct ib_ucontext *ucontext, 
			uobj_get_obj_read(counters,

					  UVERBS_OBJECT_COUNTERS,

					  kern_spec->flow_count.handle,

					  ucontext);

					  ufile);

		if (!ib_spec->flow_count.counters)

			return -EINVAL;

		ib_spec->flow_count.size =
@@ -3019,7 +3013,7 @@ static int kern_spec_to_ib_spec_filter(struct ib_uverbs_flow_spec *kern_spec, 
						     kern_filter_sz, ib_spec);

}



static int kern_spec_to_ib_spec(struct ib_ucontext *ucontext,

static int kern_spec_to_ib_spec(struct ib_uverbs_file *ufile,

				struct ib_uverbs_flow_spec *kern_spec,

				union ib_flow_spec *ib_spec,

				struct ib_uflow_resources *uflow_res)
@@ -3028,7 +3022,7 @@ static int kern_spec_to_ib_spec(struct ib_ucontext *ucontext, 
		return -EINVAL;



	if (kern_spec->type >= IB_FLOW_SPEC_ACTION_TAG)

		return kern_spec_to_ib_spec_action(ucontext, kern_spec, ib_spec,

		return kern_spec_to_ib_spec_action(ufile, kern_spec, ib_spec,

						   uflow_res);

	else

		return kern_spec_to_ib_spec_filter(kern_spec, ib_spec);
@@ -3071,18 +3065,17 @@ int ib_uverbs_ex_create_wq(struct ib_uverbs_file *file, 
	if (cmd.comp_mask)

		return -EOPNOTSUPP;



	obj  = (struct ib_uwq_object *)uobj_alloc(UVERBS_OBJECT_WQ,

						  file->ucontext);

	obj = (struct ib_uwq_object *)uobj_alloc(UVERBS_OBJECT_WQ, file);

	if (IS_ERR(obj))

		return PTR_ERR(obj);



	pd  = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle, file->ucontext);

	pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle, file);

	if (!pd) {

		err = -EINVAL;

		goto err_uobj;

	}



	cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, file->ucontext);

	cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, file);

	if (!cq) {

		err = -EINVAL;

		goto err_put_pd;
@@ -3186,8 +3179,7 @@ int ib_uverbs_ex_destroy_wq(struct ib_uverbs_file *file, 
		return -EOPNOTSUPP;



	resp.response_length = required_resp_len;

	uobj  = uobj_get_write(UVERBS_OBJECT_WQ, cmd.wq_handle,

			       file->ucontext);

	uobj = uobj_get_write(UVERBS_OBJECT_WQ, cmd.wq_handle, file);

	if (IS_ERR(uobj))

		return PTR_ERR(uobj);
@@ -3237,7 +3229,7 @@ int ib_uverbs_ex_modify_wq(struct ib_uverbs_file *file, 
	if (cmd.attr_mask > (IB_WQ_STATE | IB_WQ_CUR_STATE | IB_WQ_FLAGS))

		return -EINVAL;



	wq = uobj_get_obj_read(wq, UVERBS_OBJECT_WQ, cmd.wq_handle, file->ucontext);

	wq = uobj_get_obj_read(wq, UVERBS_OBJECT_WQ, cmd.wq_handle, file);

	if (!wq)

		return -EINVAL;
@@ -3331,8 +3323,8 @@ int ib_uverbs_ex_create_rwq_ind_table(struct ib_uverbs_file *file, 


	for (num_read_wqs = 0; num_read_wqs < num_wq_handles;

			num_read_wqs++) {

		wq = uobj_get_obj_read(wq, UVERBS_OBJECT_WQ, wqs_handles[num_read_wqs],

				       file->ucontext);

		wq = uobj_get_obj_read(wq, UVERBS_OBJECT_WQ,

				       wqs_handles[num_read_wqs], file);

		if (!wq) {

			err = -EINVAL;

			goto put_wqs;
@@ -3341,7 +3333,7 @@ int ib_uverbs_ex_create_rwq_ind_table(struct ib_uverbs_file *file, 
		wqs[num_read_wqs] = wq;

	}



	uobj  = uobj_alloc(UVERBS_OBJECT_RWQ_IND_TBL, file->ucontext);

	uobj = uobj_alloc(UVERBS_OBJECT_RWQ_IND_TBL, file);

	if (IS_ERR(uobj)) {

		err = PTR_ERR(uobj);

		goto put_wqs;
@@ -3504,13 +3496,13 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file, 
		kern_flow_attr = &cmd.flow_attr;

	}



	uobj  = uobj_alloc(UVERBS_OBJECT_FLOW, file->ucontext);

	uobj = uobj_alloc(UVERBS_OBJECT_FLOW, file);

	if (IS_ERR(uobj)) {

		err = PTR_ERR(uobj);

		goto err_free_attr;

	}



	qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, file->ucontext);

	qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, file);

	if (!qp) {

		err = -EINVAL;

		goto err_uobj;
@@ -3546,8 +3538,7 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file, 
	     cmd.flow_attr.size > offsetof(struct ib_uverbs_flow_spec, reserved) &&

	     cmd.flow_attr.size >=

	     ((struct ib_uverbs_flow_spec *)kern_spec)->size; i++) {

		err = kern_spec_to_ib_spec(file->ucontext, kern_spec, ib_spec,

					   uflow_res);

		err = kern_spec_to_ib_spec(file, kern_spec, ib_spec, uflow_res);

		if (err)

			goto err_free;
@@ -3644,8 +3635,7 @@ static int __uverbs_create_xsrq(struct ib_uverbs_file *file, 
	struct ib_srq_init_attr          attr;

	int ret;



	obj  = (struct ib_usrq_object *)uobj_alloc(UVERBS_OBJECT_SRQ,

						   file->ucontext);

	obj = (struct ib_usrq_object *)uobj_alloc(UVERBS_OBJECT_SRQ, file);

	if (IS_ERR(obj))

		return PTR_ERR(obj);
@@ -3654,7 +3644,7 @@ static int __uverbs_create_xsrq(struct ib_uverbs_file *file, 


	if (cmd->srq_type == IB_SRQT_XRC) {

		xrcd_uobj = uobj_get_read(UVERBS_OBJECT_XRCD, cmd->xrcd_handle,

					  file->ucontext);

					  file);

		if (IS_ERR(xrcd_uobj)) {

			ret = -EINVAL;

			goto err;
@@ -3671,15 +3661,15 @@ static int __uverbs_create_xsrq(struct ib_uverbs_file *file, 
	}



	if (ib_srq_has_cq(cmd->srq_type)) {

		attr.ext.cq  = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd->cq_handle,

						 file->ucontext);

		attr.ext.cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ,

						cmd->cq_handle, file);

		if (!attr.ext.cq) {

			ret = -EINVAL;

			goto err_put_xrcd;

		}

	}



	pd  = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd->pd_handle, file->ucontext);

	pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd->pd_handle, file);

	if (!pd) {

		ret = -EINVAL;

		goto err_put_cq;
@@ -3851,7 +3841,7 @@ ssize_t ib_uverbs_modify_srq(struct ib_uverbs_file *file, 
	ib_uverbs_init_udata(&udata, buf + sizeof cmd, NULL, in_len - sizeof cmd,

		   out_len);



	srq = uobj_get_obj_read(srq, UVERBS_OBJECT_SRQ, cmd.srq_handle, file->ucontext);

	srq = uobj_get_obj_read(srq, UVERBS_OBJECT_SRQ, cmd.srq_handle, file);

	if (!srq)

		return -EINVAL;
@@ -3882,7 +3872,7 @@ ssize_t ib_uverbs_query_srq(struct ib_uverbs_file *file, 
	if (copy_from_user(&cmd, buf, sizeof cmd))

		return -EFAULT;



	srq = uobj_get_obj_read(srq, UVERBS_OBJECT_SRQ, cmd.srq_handle, file->ucontext);

	srq = uobj_get_obj_read(srq, UVERBS_OBJECT_SRQ, cmd.srq_handle, file);

	if (!srq)

		return -EINVAL;
@@ -3919,8 +3909,7 @@ ssize_t ib_uverbs_destroy_srq(struct ib_uverbs_file *file, 
	if (copy_from_user(&cmd, buf, sizeof cmd))

		return -EFAULT;



	uobj  = uobj_get_write(UVERBS_OBJECT_SRQ, cmd.srq_handle,

			       file->ucontext);

	uobj = uobj_get_write(UVERBS_OBJECT_SRQ, cmd.srq_handle, file);

	if (IS_ERR(uobj))

		return PTR_ERR(uobj);
@@ -4098,7 +4087,7 @@ int ib_uverbs_ex_modify_cq(struct ib_uverbs_file *file, 
	if (cmd.attr_mask > IB_CQ_MODERATE)

		return -EOPNOTSUPP;



	cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, file->ucontext);

	cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, file);

	if (!cq)

		return -EINVAL;

include/rdma/uverbs_std_types.h

+19 −16
Original line number Diff line number Diff line
@@ -56,20 +56,24 @@ static inline struct ib_uobject *__uobj_get(const struct uverbs_obj_type *type, 


#define uobj_get_type(_object) UVERBS_OBJECT(_object).type_attrs



#define uobj_get_read(_type, _id, _ucontext)                                   \

	__uobj_get(uobj_get_type(_type), false, (_ucontext)->ufile, _id)

#define uobj_get_read(_type, _id, _ufile)                                      \

	__uobj_get(uobj_get_type(_type), false, _ufile, _id)



#define uobj_get_obj_read(_object, _type, _id, _ucontext)		\

({									\

	struct ib_uobject *__uobj =					\

		__uobj_get(uobj_get_type(_type),			\

			   false, (_ucontext)->ufile, _id);		\

									\

	(struct ib_##_object *)(IS_ERR(__uobj) ? NULL : __uobj->object);\

})

static inline void *_uobj_get_obj_read(const struct uverbs_obj_type *type,

				       int id, struct ib_uverbs_file *ufile)

{

	struct ib_uobject *uobj = __uobj_get(type, false, ufile, id);



	if (IS_ERR(uobj))

		return NULL;

	return uobj->object;

}

#define uobj_get_obj_read(_object, _type, _id, _ufile)                         \

	((struct ib_##_object *)_uobj_get_obj_read(uobj_get_type(_type), _id,  \

						   _ufile))



#define uobj_get_write(_type, _id, _ucontext)                                  \

	__uobj_get(uobj_get_type(_type), true, (_ucontext)->ufile, _id)

#define uobj_get_write(_type, _id, _ufile)                                     \

	__uobj_get(uobj_get_type(_type), true, _ufile, _id)



int __uobj_perform_destroy(const struct uverbs_obj_type *type, int id,

			   struct ib_uverbs_file *ufile, int success_res);
@@ -105,13 +109,12 @@ static inline void uobj_alloc_abort(struct ib_uobject *uobj) 
}



static inline struct ib_uobject *__uobj_alloc(const struct uverbs_obj_type *type,

					      struct ib_ucontext *ucontext)

					      struct ib_uverbs_file *ufile)

{

	return rdma_alloc_begin_uobject(type, ucontext->ufile);

	return rdma_alloc_begin_uobject(type, ufile);

}



#define uobj_alloc(_type, ucontext)	\

	__uobj_alloc(uobj_get_type(_type), ucontext)

#define uobj_alloc(_type, _ufile) __uobj_alloc(uobj_get_type(_type), _ufile)



#endif