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Fix for bug#40875: Memory leak in FEDERATED handler

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Problem: memory leak occurs when we open a federated table
that has its share in the hash.

Fix: free not used memory.

Note: the fix should NOT be merged to 5.1 (the code changed).
This commit is contained in:
Ramil Kalimullin 2008-11-20 14:08:36 +04:00
parent 0001121ccb
commit 240d0633b3
1 changed files with 8 additions and 0 deletions
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8
sql/ha_federated.cc
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@ -1320,6 +1320,14 @@ static FEDERATED_SHARE *get_share(const char *table_name, TABLE *table)
thr_lock_init(&share->lock); thr_lock_init(&share->lock);
pthread_mutex_init(&share->mutex, MY_MUTEX_INIT_FAST); pthread_mutex_init(&share->mutex, MY_MUTEX_INIT_FAST);
} }
else
{
/*
Free tmp_share.scheme allocated in the parse_url()
as we found share in the hash and tmp_share isn't needed anymore.
*/
my_free((gptr) tmp_share.scheme, MYF(MY_ALLOW_ZERO_PTR));
}
share->use_count++; share->use_count++;
pthread_mutex_unlock(&federated_mutex); pthread_mutex_unlock(&federated_mutex);