const struct file_operations *f_op;
f_op = f.file->f_op;
mask = DEFAULT_POLLMASK;
- if (f_op && f_op->poll) {
+ if (f_op->poll) {
wait_key_set(wait, in, out,
bit, busy_flag);
mask = (*f_op->poll)(f.file, wait);
mask = POLLNVAL;
if (f.file) {
mask = DEFAULT_POLLMASK;
- if (f.file->f_op && f.file->f_op->poll) {
+ if (f.file->f_op->poll) {
pwait->_key = pollfd->events|POLLERR|POLLHUP;
pwait->_key |= busy_flag;
mask = f.file->f_op->poll(f.file, pwait);