sensord: return false if the size of id is 0

- If the size of ids is zero, it doesn't need to process the next works.
- It doesn't make a problem although it is not fixed.
  but it would be better to reduce the unnecessary work.

Change-Id: I2187d738ee90bae47cb4276b39b5651afa771b97
Signed-off-by: kibak.yoon <kibak.yoon@samsung.com>

diff --git a/src/server/physical_sensor.cpp b/src/server/physical_sensor.cpp
index fc16b7b..65ab74e 100644 (file)
--- a/src/server/physical_sensor.cpp
+++ b/src/server/physical_sensor.cpp
@@ -94,6 +94,9 @@ bool physical_sensor::read_fd(std::vector<uint32_t> &ids)
 
        size = m_sensor_device->read_fd(&_ids);
 
+       if (size == 0)
+               return false;
+
        for (int i = 0; i < size; ++i)
                ids.push_back(_ids[i]);