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hci: return ERROR_CODE_COMMAND_DISALLOWED if address is already on controller

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Milanka Ringwald 2023-05-25 17:25:06 +02:00 committed by Matthias Ringwald
parent 79a2851b6a
commit caaf5151f1
1 changed files with 16 additions and 7 deletions
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23
src/hci.c
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@ -8603,14 +8603,23 @@ static uint8_t hci_whitelist_add(bd_addr_type_t address_type, const bd_addr_t ad
if (memcmp(entry->address, address, 6) != 0) { if (memcmp(entry->address, address, 6) != 0) {
continue; continue;
} }
// disallow if already scheduled to add
if ((entry->state & LE_WHITELIST_ADD_TO_CONTROLLER) != 0){ // if already on controller:
return ERROR_CODE_COMMAND_DISALLOWED; if ((entry->state & LE_WHITELIST_ON_CONTROLLER) != 0){
} if ((entry->state & LE_WHITELIST_REMOVE_FROM_CONTROLLER) != 0){
// still on controller, but scheduled to remove -> re-add // drop remove request
entry->state |= LE_WHITELIST_ADD_TO_CONTROLLER; entry->state = LE_WHITELIST_ON_CONTROLLER;
return ERROR_CODE_SUCCESS; return ERROR_CODE_SUCCESS;
} else {
// disallow as already on controller
return ERROR_CODE_COMMAND_DISALLOWED;
}
}
// assume scheduled to add
return ERROR_CODE_COMMAND_DISALLOWED;
} }
// alloc and add to list // alloc and add to list
whitelist_entry_t * entry = btstack_memory_whitelist_entry_get(); whitelist_entry_t * entry = btstack_memory_whitelist_entry_get();
if (!entry) return BTSTACK_MEMORY_ALLOC_FAILED; if (!entry) return BTSTACK_MEMORY_ALLOC_FAILED;