Lines Matching refs:buf
11 char __user *buf;
22 buf = iov->iov_base + skip;
25 left = __copy_to_user(buf, from, copy);
32 buf = iov->iov_base;
34 left = __copy_to_user(buf, from, copy);
56 char __user *buf;
67 buf = iov->iov_base + skip;
70 left = __copy_from_user(to, buf, copy);
77 buf = iov->iov_base;
79 left = __copy_from_user(to, buf, copy);
102 char __user *buf;
114 buf = iov->iov_base + skip;
117 if (!fault_in_pages_writeable(buf, copy)) {
122 left = __copy_to_user_inatomic(buf, from, copy);
130 buf = iov->iov_base;
132 left = __copy_to_user_inatomic(buf, from, copy);
143 buf += copy;
150 left = __copy_to_user(buf, from, copy);
157 buf = iov->iov_base;
159 left = __copy_to_user(buf, from, copy);
183 char __user *buf;
195 buf = iov->iov_base + skip;
198 if (!fault_in_pages_readable(buf, copy)) {
203 left = __copy_from_user_inatomic(to, buf, copy);
211 buf = iov->iov_base;
213 left = __copy_from_user_inatomic(to, buf, copy);
224 buf += copy;
231 left = __copy_from_user(to, buf, copy);
238 buf = iov->iov_base;
240 left = __copy_from_user(to, buf, copy);
263 char __user *buf;
274 buf = iov->iov_base + skip;
277 left = __clear_user(buf, copy);
284 buf = iov->iov_base;
286 left = __clear_user(buf, copy);
309 char __user *buf = iov->iov_base + base;
313 left = __copy_from_user_inatomic(vaddr, buf, copy);
339 char __user *buf = i->iov->iov_base + i->iov_offset;
340 left = __copy_from_user_inatomic(kaddr + offset, buf, bytes);
399 char __user *buf = i->iov->iov_base + i->iov_offset;
401 return fault_in_pages_readable(buf, bytes);