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test for invalid offset first

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mila@ringwald.ch 2014-02-02 08:04:52 +00:00
parent 98e03ad7b2
commit 72049723cc
1 changed files with 1 additions and 1 deletions
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2
example/libusb/ble_peripheral.c
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@ -345,8 +345,8 @@ static int att_write_callback(uint16_t handle, uint16_t transaction_mode, uint16
case ATT_TRANSACTION_MODE_ACTIVE:
writes_index = att_write_queue_for_handle(handle);
if (writes_index < 0) return ATT_ERROR_PREPARE_QUEUE_FULL;
if (buffer_size + offset > ATT_VALUE_MAX_LEN) return ATT_ERROR_INVALID_ATTRIBUTE_VALUE_LENGTH;
if (offset > att_write_queues[writes_index].len) return ATT_ERROR_INVALID_OFFSET;
if (buffer_size + offset > ATT_VALUE_MAX_LEN) return ATT_ERROR_INVALID_ATTRIBUTE_VALUE_LENGTH;
att_write_queues[writes_index].len = buffer_size + offset;
memcpy(&(att_write_queues[writes_index].value[offset]), buffer, buffer_size);
break;