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cache_end_transaction(): Allow the hook parameter to be NULL.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37461 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2010-07-10 15:09:46 +00:00
parent b944766870
commit bb486a7223
1 changed files with 3 additions and 2 deletions
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5
src/system/kernel/cache/block_cache.cpp vendored
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@ -2768,8 +2768,9 @@ cache_end_transaction(void* _cache, int32 id,
notify_transaction_listeners(cache, transaction, TRANSACTION_ENDED);
if (add_transaction_listener(cache, transaction, TRANSACTION_WRITTEN, hook,
data) != B_OK) {
if (hook != NULL
&& add_transaction_listener(cache, transaction, TRANSACTION_WRITTEN,
hook, data) != B_OK) {
return B_NO_MEMORY;
}