Bug #26825 MySQL Server Crashes in high load

- initialize to NULL, to avoid call of free on uninitialized variable
parent 839f5829
......@@ -952,7 +952,7 @@ int ha_ndbcluster::get_metadata(const char *path)
DBUG_PRINT("enter", ("m_tabname: %s, path: %s", m_tabname, path));
do {
const void *data, *pack_data;
const void *data= NULL, *pack_data= NULL;
uint length, pack_length;
if (!(tab= dict->getTable(m_tabname)))
......@@ -3755,7 +3755,7 @@ int ha_ndbcluster::external_lock(THD *thd, int lock_type)
if ((my_errno= build_index_list(ndb, table, ILBP_OPEN)))
DBUG_RETURN(my_errno);
const void *data, *pack_data;
const void *data= NULL, *pack_data= NULL;
uint length, pack_length;
if (readfrm(table->s->path, &data, &length) ||
packfrm(data, length, &pack_data, &pack_length) ||
......@@ -4343,7 +4343,7 @@ int ha_ndbcluster::create(const char *name,
NDBTAB tab;
NDBCOL col;
uint pack_length, length, i, pk_length= 0;
const void *data, *pack_data;
const void *data= NULL, *pack_data= NULL;
char name2[FN_HEADLEN];
bool create_from_engine= (info->table_options & HA_OPTION_CREATE_FROM_ENGINE);
......@@ -4378,8 +4378,11 @@ int ha_ndbcluster::create(const char *name,
if (readfrm(name, &data, &length))
DBUG_RETURN(1);
if (packfrm(data, length, &pack_data, &pack_length))
{
my_free((char*)data, MYF(0));
DBUG_RETURN(2);
}
DBUG_PRINT("info", ("setFrm data: 0x%lx len: %d", (long) pack_data, pack_length));
tab.setFrm(pack_data, pack_length);
my_free((char*)data, MYF(0));
......
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