192 	struct b43legacy_dfs_file *dfile;  in b43legacy_debugfs_read()  local
217 	dfile = fops_to_dfs_file(dev, dfops);  in b43legacy_debugfs_read()
219 	if (!dfile->buffer) {  in b43legacy_debugfs_read()
237 		dfile->data_len = ret;  in b43legacy_debugfs_read()
238 		dfile->buffer = buf;  in b43legacy_debugfs_read()
242 				      dfile->buffer,  in b43legacy_debugfs_read()
243 				      dfile->data_len);  in b43legacy_debugfs_read()
244 	if (*ppos >= dfile->data_len) {  in b43legacy_debugfs_read()
245 		free_pages((unsigned long)dfile->buffer, buforder);  in b43legacy_debugfs_read()
246 		dfile->buffer = NULL;  in b43legacy_debugfs_read()
247 		dfile->data_len = 0;  in b43legacy_debugfs_read()