134 	char *path_buffer = kmem_alloc(*len, KM_NOSLEEP);  in error_path()  local
135 	if (path_buffer == NULL)  in error_path()
138 	strcpy(path_buffer, "error/");  in error_path()
139 	strcpy(path_buffer + strlen("error/"), dev->xbusd_path);  in error_path()
141 	return path_buffer;  in error_path()
151 	char *printf_buffer = NULL, *path_buffer = NULL;  in _dev_error()  local
165 	path_buffer = error_path(dev, &path_buffer_sz);  in _dev_error()
166 	if (path_buffer == NULL) {  in _dev_error()
172 	if (xenbus_write(NULL, path_buffer, "error", printf_buffer) != 0) {  in _dev_error()
181 	if (path_buffer)  in _dev_error()
182 		kmem_free(path_buffer, path_buffer_sz);  in _dev_error()