*/
void drop_futex_key_refs(union futex_key *key)
{
- if (key->both.ptr == 0)
+ if (!key->both.ptr)
return;
switch (key->both.offset & (FUT_OFF_INODE|FUT_OFF_MMSHARED)) {
case FUT_OFF_INODE:
retry:
lock_ptr = q->lock_ptr;
barrier();
- if (lock_ptr != 0) {
+ if (lock_ptr != NULL) {
spin_lock(lock_ptr);
/*
* q->lock_ptr can change between reading it and