88 	ssize_t rc = 0;  in process_vm_rw_single_vec()  local
101 	while (!rc && nr_pages && iov_iter_count(iter)) {  in process_vm_rw_single_vec()
115 		rc = process_vm_rw_pages(process_pages,  in process_vm_rw_single_vec()
126 	return rc;  in process_vm_rw_single_vec()
155 	ssize_t rc = 0;  in process_vm_rw_core()  local
197 		rc = -ESRCH;  in process_vm_rw_core()
203 		rc = IS_ERR(mm) ? PTR_ERR(mm) : -ESRCH;  in process_vm_rw_core()
208 		if (rc == -EACCES)  in process_vm_rw_core()
209 			rc = -EPERM;  in process_vm_rw_core()
213 	for (i = 0; i < riovcnt && iov_iter_count(iter) && !rc; i++)  in process_vm_rw_core()
214 		rc = process_vm_rw_single_vec(  in process_vm_rw_core()
225 		rc = total_len;  in process_vm_rw_core()
235 	return rc;  in process_vm_rw_core()
263 	ssize_t rc;  in process_vm_rw()  local
270 	rc = import_iovec(dir, lvec, liovcnt, UIO_FASTIOV, &iov_l, &iter);  in process_vm_rw()
271 	if (rc < 0)  in process_vm_rw()
272 		return rc;  in process_vm_rw()
276 	rc = rw_copy_check_uvector(CHECK_IOVEC_ONLY, rvec, riovcnt, UIO_FASTIOV,  in process_vm_rw()
278 	if (rc <= 0)  in process_vm_rw()
281 	rc = process_vm_rw_core(pid, &iter, iov_r, riovcnt, flags, vm_write);  in process_vm_rw()
288 	return rc;  in process_vm_rw()
321 	ssize_t rc = -EFAULT;  in compat_process_vm_rw()  local
327 	rc = compat_import_iovec(dir, lvec, liovcnt, UIO_FASTIOV, &iov_l, &iter);  in compat_process_vm_rw()
328 	if (rc < 0)  in compat_process_vm_rw()
329 		return rc;  in compat_process_vm_rw()
332 	rc = compat_rw_copy_check_uvector(CHECK_IOVEC_ONLY, rvec, riovcnt,  in compat_process_vm_rw()
335 	if (rc <= 0)  in compat_process_vm_rw()
338 	rc = process_vm_rw_core(pid, &iter, iov_r, riovcnt, flags, vm_write);  in compat_process_vm_rw()
344 	return rc;  in compat_process_vm_rw()