1 // SPDX-License-Identifier: GPL-2.0-only
8 			unsigned int size,  in __regset_get()  argument
9 			void **data)  in __regset_get()  argument
11 	void *p = *data, *to_free = NULL;  in __regset_get()
14 	if (!regset->regset_get)  in __regset_get()
15 		return -EOPNOTSUPP;  in __regset_get()
16 	if (size > regset->n * regset->size)  in __regset_get()
17 		size = regset->n * regset->size;  in __regset_get()
19 		to_free = p = kvzalloc(size, GFP_KERNEL);  in __regset_get()
21 			return -ENOMEM;  in __regset_get()
23 	res = regset->regset_get(target, regset,  in __regset_get()
24 			   (struct membuf){.p = p, .left = size});  in __regset_get()
29 	*data = p;  in __regset_get()
30 	return size - res;  in __regset_get()
35 	       unsigned int size,  in regset_get()  argument
36 	       void *data)  in regset_get()  argument
38 	return __regset_get(target, regset, size, &data);  in regset_get()
44 		     unsigned int size,  in regset_get_alloc()  argument
45 		     void **data)  in regset_get_alloc()  argument
47 	*data = NULL;  in regset_get_alloc()
48 	return __regset_get(target, regset, size, data);  in regset_get_alloc()
53  * copy_regset_to_user - fetch a thread's user_regset data into user memory
56  * @setno:	index in @view->regsets
57  * @offset:	offset into the regset data, in bytes
58  * @size:	amount of data to copy, in bytes
59  * @data:	user-mode pointer to copy into
64 			unsigned int offset, unsigned int size,  in copy_regset_to_user()  argument
65 			void __user *data)  in copy_regset_to_user()  argument
67 	const struct user_regset *regset = &view->regsets[setno];  in copy_regset_to_user()
71 	ret = regset_get_alloc(target, regset, size, &buf);  in copy_regset_to_user()
73 		ret = copy_to_user(data, buf, ret) ? -EFAULT : 0;  in copy_regset_to_user()