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dnn/queue: add error check and cleanup

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Signed-off-by: Guo, Yejun <yejun.guo@intel.com>
This commit is contained in:
Guo, Yejun 2020-12-30 13:11:27 +08:00
parent 97f520b700
commit 6b0cfa8399
5 changed files with 50 additions and 18 deletions
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28
libavfilter/dnn/queue.c
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@ -40,8 +40,8 @@ struct FFQueue {
static inline FFQueueEntry *create_entry(void *val)
{
FFQueueEntry *entry = av_malloc(sizeof(*entry));
av_assert0(entry != NULL);
entry->value = val;
if (entry)
entry->value = val;
return entry;
}
@ -53,6 +53,14 @@ FFQueue* ff_queue_create(void)
q->head = create_entry(q);
q->tail = create_entry(q);
if (!q->head || !q->tail) {
av_freep(&q->head);
av_freep(&q->tail);
av_freep(&q);
return NULL;
}
q->head->next = q->tail;
q->tail->prev = q->head;
q->head->prev = NULL;
@ -99,14 +107,16 @@ void *ff_queue_peek_back(FFQueue *q)
return q->tail->prev->value;
}
void ff_queue_push_front(FFQueue *q, void *v)
int ff_queue_push_front(FFQueue *q, void *v)
{
FFQueueEntry *new_entry;
FFQueueEntry *original_next;
if (!q)
return;
return 0;
new_entry = create_entry(v);
if (!new_entry)
return -1;
original_next = q->head->next;
q->head->next = new_entry;
@ -114,16 +124,20 @@ void ff_queue_push_front(FFQueue *q, void *v)
new_entry->prev = q->head;
new_entry->next = original_next;
q->length++;
return q->length;
}
void ff_queue_push_back(FFQueue *q, void *v)
int ff_queue_push_back(FFQueue *q, void *v)
{
FFQueueEntry *new_entry;
FFQueueEntry *original_prev;
if (!q)
return;
return 0;
new_entry = create_entry(v);
if (!new_entry)
return -1;
original_prev = q->tail->prev;
q->tail->prev = new_entry;
@ -131,6 +145,8 @@ void ff_queue_push_back(FFQueue *q, void *v)
new_entry->next = q->tail;
new_entry->prev = original_prev;
q->length++;
return q->length;
}
void *ff_queue_pop_front(FFQueue *q)