| User: | Jiri Slaby |
| Error type: | Leaving function in locked state |
| Error type description: | Some lock is not unlocked on all paths of a function, so it is leaked |
| File location: | kernel/futex.c |
| Line in file: | 978 |
| Project: | Linux Kernel |
| Project version: | 2.6.28 |
| Tools: |
Undetermined 1
Stanse (1.2) |
| Entered: | 2012-03-04 17:07:06 UTC |
948 * requeue. 949 */ 950 if (likely(head1 != &hb2->chain)) { 951 plist_del(&this->list, &hb1->chain); 952 plist_add(&this->list, &hb2->chain); 953 this->lock_ptr = &hb2->lock; 954#ifdef CONFIG_DEBUG_PI_LIST 955 this->list.plist.lock = &hb2->lock; 956#endif 957 } 958 this->key = key2; 959 get_futex_key_refs(&key2); 960 drop_count++; 961 962 if (ret - nr_wake >= nr_requeue) 963 break; 964 } 965 } 966 967out_unlock: 968 spin_unlock(&hb1->lock); 969 if (hb1 != hb2) 970 spin_unlock(&hb2->lock); 971 972 /* drop_futex_key_refs() must be called outside the spinlocks. */ 973 while (--drop_count >= 0) 974 drop_futex_key_refs(&key1); 975 976out: 977 futex_unlock_mm(fshared); 978 return ret; 979} 980 981/* The key must be already stored in q->key. */ 982static inline struct futex_hash_bucket *queue_lock(struct futex_q *q) 983{ 984 struct futex_hash_bucket *hb; 985 986 init_waitqueue_head(&q->waiters); 987 988 get_futex_key_refs(&q->key);