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Commit 6f57c933 authored by Jason Gunthorpe's avatar Jason Gunthorpe
Browse files

RDMA: Use u64_to_user_ptr everywhere 



This is already used in many places, get the rest of them too, only
to make the code a bit clearer & simpler.

Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
parent 5b2cc79d

drivers/infiniband/core/ucm.c

+9 −9
Original line number Diff line number Diff line
@@ -430,7 +430,7 @@ static ssize_t ib_ucm_event(struct ib_ucm_file *file, 
		uevent->resp.id = ctx->id;

	}



	if (copy_to_user((void __user *)(unsigned long)cmd.response,

	if (copy_to_user(u64_to_user_ptr(cmd.response),

			 &uevent->resp, sizeof(uevent->resp))) {

		result = -EFAULT;

		goto done;
@@ -441,7 +441,7 @@ static ssize_t ib_ucm_event(struct ib_ucm_file *file, 
			result = -ENOMEM;

			goto done;

		}

		if (copy_to_user((void __user *)(unsigned long)cmd.data,

		if (copy_to_user(u64_to_user_ptr(cmd.data),

				 uevent->data, uevent->data_len)) {

			result = -EFAULT;

			goto done;
@@ -453,7 +453,7 @@ static ssize_t ib_ucm_event(struct ib_ucm_file *file, 
			result = -ENOMEM;

			goto done;

		}

		if (copy_to_user((void __user *)(unsigned long)cmd.info,

		if (copy_to_user(u64_to_user_ptr(cmd.info),

				 uevent->info, uevent->info_len)) {

			result = -EFAULT;

			goto done;
@@ -502,7 +502,7 @@ static ssize_t ib_ucm_create_id(struct ib_ucm_file *file, 
	}



	resp.id = ctx->id;

	if (copy_to_user((void __user *)(unsigned long)cmd.response,

	if (copy_to_user(u64_to_user_ptr(cmd.response),

			 &resp, sizeof(resp))) {

		result = -EFAULT;

		goto err2;
@@ -556,7 +556,7 @@ static ssize_t ib_ucm_destroy_id(struct ib_ucm_file *file, 
	ib_ucm_cleanup_events(ctx);



	resp.events_reported = ctx->events_reported;

	if (copy_to_user((void __user *)(unsigned long)cmd.response,

	if (copy_to_user(u64_to_user_ptr(cmd.response),

			 &resp, sizeof(resp)))

		result = -EFAULT;
@@ -588,7 +588,7 @@ static ssize_t ib_ucm_attr_id(struct ib_ucm_file *file, 
	resp.local_id     = ctx->cm_id->local_id;

	resp.remote_id    = ctx->cm_id->remote_id;



	if (copy_to_user((void __user *)(unsigned long)cmd.response,

	if (copy_to_user(u64_to_user_ptr(cmd.response),

			 &resp, sizeof(resp)))

		result = -EFAULT;
@@ -625,7 +625,7 @@ static ssize_t ib_ucm_init_qp_attr(struct ib_ucm_file *file, 


	ib_copy_qp_attr_to_user(ctx->cm_id->device, &resp, &qp_attr);



	if (copy_to_user((void __user *)(unsigned long)cmd.response,

	if (copy_to_user(u64_to_user_ptr(cmd.response),

			 &resp, sizeof(resp)))

		result = -EFAULT;
@@ -699,7 +699,7 @@ static int ib_ucm_alloc_data(const void **dest, u64 src, u32 len) 
	if (!len)

		return 0;



	data = memdup_user((void __user *)(unsigned long)src, len);

	data = memdup_user(u64_to_user_ptr(src), len);

	if (IS_ERR(data))

		return PTR_ERR(data);
@@ -721,7 +721,7 @@ static int ib_ucm_path_get(struct sa_path_rec **path, u64 src) 
	if (!sa_path)

		return -ENOMEM;



	if (copy_from_user(&upath, (void __user *)(unsigned long)src,

	if (copy_from_user(&upath, u64_to_user_ptr(src),

			   sizeof(upath))) {



		kfree(sa_path);

drivers/infiniband/core/ucma.c

+10 −10
Original line number Diff line number Diff line
@@ -420,7 +420,7 @@ static ssize_t ucma_get_event(struct ucma_file *file, const char __user *inbuf, 
		uevent->resp.id = ctx->id;

	}



	if (copy_to_user((void __user *)(unsigned long)cmd.response,

	if (copy_to_user(u64_to_user_ptr(cmd.response),

			 &uevent->resp,

			 min_t(size_t, out_len, sizeof(uevent->resp)))) {

		ret = -EFAULT;
@@ -489,7 +489,7 @@ static ssize_t ucma_create_id(struct ucma_file *file, const char __user *inbuf, 
	}



	resp.id = ctx->id;

	if (copy_to_user((void __user *)(unsigned long)cmd.response,

	if (copy_to_user(u64_to_user_ptr(cmd.response),

			 &resp, sizeof(resp))) {

		ret = -EFAULT;

		goto err2;
@@ -614,7 +614,7 @@ static ssize_t ucma_destroy_id(struct ucma_file *file, const char __user *inbuf, 
	}



	resp.events_reported = ucma_free_ctx(ctx);

	if (copy_to_user((void __user *)(unsigned long)cmd.response,

	if (copy_to_user(u64_to_user_ptr(cmd.response),

			 &resp, sizeof(resp)))

		ret = -EFAULT;
@@ -840,7 +840,7 @@ static ssize_t ucma_query_route(struct ucma_file *file, 
		ucma_copy_iw_route(&resp, &ctx->cm_id->route);



out:

	if (copy_to_user((void __user *)(unsigned long)cmd.response,

	if (copy_to_user(u64_to_user_ptr(cmd.response),

			 &resp, sizeof(resp)))

		ret = -EFAULT;
@@ -986,7 +986,7 @@ static ssize_t ucma_query(struct ucma_file *file, 
	if (copy_from_user(&cmd, inbuf, sizeof(cmd)))

		return -EFAULT;



	response = (void __user *)(unsigned long) cmd.response;

	response = u64_to_user_ptr(cmd.response);

	ctx = ucma_get_ctx(file, cmd.id);

	if (IS_ERR(ctx))

		return PTR_ERR(ctx);
@@ -1169,7 +1169,7 @@ static ssize_t ucma_init_qp_attr(struct ucma_file *file, 
		goto out;



	ib_copy_qp_attr_to_user(ctx->cm_id->device, &resp, &qp_attr);

	if (copy_to_user((void __user *)(unsigned long)cmd.response,

	if (copy_to_user(u64_to_user_ptr(cmd.response),

			 &resp, sizeof(resp)))

		ret = -EFAULT;
@@ -1305,7 +1305,7 @@ static ssize_t ucma_set_option(struct ucma_file *file, const char __user *inbuf, 
	if (unlikely(cmd.optval > KMALLOC_MAX_SIZE))

		return -EINVAL;



	optval = memdup_user((void __user *) (unsigned long) cmd.optval,

	optval = memdup_user(u64_to_user_ptr(cmd.optval),

			     cmd.optlen);

	if (IS_ERR(optval)) {

		ret = PTR_ERR(optval);
@@ -1383,7 +1383,7 @@ static ssize_t ucma_process_join(struct ucma_file *file, 
		goto err2;



	resp.id = mc->id;

	if (copy_to_user((void __user *)(unsigned long) cmd->response,

	if (copy_to_user(u64_to_user_ptr(cmd->response),

			 &resp, sizeof(resp))) {

		ret = -EFAULT;

		goto err3;
@@ -1488,7 +1488,7 @@ static ssize_t ucma_leave_multicast(struct ucma_file *file, 
	resp.events_reported = mc->events_reported;

	kfree(mc);



	if (copy_to_user((void __user *)(unsigned long)cmd.response,

	if (copy_to_user(u64_to_user_ptr(cmd.response),

			 &resp, sizeof(resp)))

		ret = -EFAULT;

out:
@@ -1575,7 +1575,7 @@ static ssize_t ucma_migrate_id(struct ucma_file *new_file, 
	ucma_unlock_files(cur_file, new_file);



response:

	if (copy_to_user((void __user *)(unsigned long)cmd.response,

	if (copy_to_user(u64_to_user_ptr(cmd.response),

			 &resp, sizeof(resp)))

		ret = -EFAULT;

drivers/infiniband/core/uverbs_cmd.c

+1 −1
Original line number Diff line number Diff line
@@ -3581,7 +3581,7 @@ static int __uverbs_create_xsrq(struct ib_uverbs_file *file, 
	if (cmd->srq_type == IB_SRQT_XRC)

		resp.srqn = srq->ext.xrc.srq_num;



	if (copy_to_user((void __user *) (unsigned long) cmd->response,

	if (copy_to_user(u64_to_user_ptr(cmd->response),

			 &resp, sizeof resp)) {

		ret = -EFAULT;

		goto err_copy;

drivers/infiniband/hw/hfi1/user_exp_rcv.c

+2 −2
Original line number Diff line number Diff line
@@ -473,7 +473,7 @@ int hfi1_user_exp_rcv_setup(struct hfi1_filedata *fd, 
		tinfo->tidcnt = tididx;

		tinfo->length = mapped_pages * PAGE_SIZE;



		if (copy_to_user((void __user *)(unsigned long)tinfo->tidlist,

		if (copy_to_user(u64_to_user_ptr(tinfo->tidlist),

				 tidlist, sizeof(tidlist[0]) * tididx)) {

			/*

			 * On failure to copy to the user level, we need to undo
@@ -513,7 +513,7 @@ int hfi1_user_exp_rcv_clear(struct hfi1_filedata *fd, 
	if (unlikely(tinfo->tidcnt > fd->tid_used))

		return -EINVAL;



	tidinfo = memdup_user((void __user *)(unsigned long)tinfo->tidlist,

	tidinfo = memdup_user(u64_to_user_ptr(tinfo->tidlist),

			      sizeof(tidinfo[0]) * tinfo->tidcnt);

	if (IS_ERR(tidinfo))

		return PTR_ERR(tidinfo);

drivers/infiniband/hw/qib/qib_diag.c

+1 −1
Original line number Diff line number Diff line
@@ -614,7 +614,7 @@ static ssize_t qib_diagpkt_write(struct file *fp, 
	}



	if (copy_from_user(tmpbuf,

			   (const void __user *) (unsigned long) dp.data,

			   u64_to_user_ptr(dp.data),

			   dp.len)) {

		ret = -EFAULT;

		goto bail;