Blackberry: Fix potential division by zero.

Some users reported a division by zero problem when connecting to the
backend, I suspect this is the reason for it. The sensor service seems
to report either the min or the max delay as zero.

Change-Id: I8b7e8f7c3243d7016c0c4472713c4c116471015d
Reviewed-by: Tobias Koenig
Reviewed-by: Kevin Ottens <kevin.ottens.qnx@kdab.com>
Reviewed-by: Adam Parco <aparco@rim.com>
Reviewed-by: Lorn Potter <lorn.potter@nokia.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/src/plugins/sensors/blackberry/bbsensorbackend.cpp b/src/plugins/sensors/blackberry/bbsensorbackend.cpp
index 1b880a0e..77570655 100644
--- a/src/plugins/sensors/blackberry/bbsensorbackend.cpp
+++ b/src/plugins/sensors/blackberry/bbsensorbackend.cpp
@@ -125,9 +125,11 @@ void BbSensorBackendBase::initSensorInfo()
                                convertValue(deviceInfo.rx.info.resolution));
             }
 
-            // Min and max intentionally swapped here, as the minimum delay is the maximum rate
-            addDataRate(microSecondsToHertz(deviceInfo.rx.info.delay_max),
-                        microSecondsToHertz(deviceInfo.rx.info.delay_min));
+            if (deviceInfo.rx.info.delay_max > 0 && deviceInfo.rx.info.delay_min > 0) {
+                // Min and max intentionally swapped here, as the minimum delay is the maximum rate
+                addDataRate(microSecondsToHertz(deviceInfo.rx.info.delay_max),
+                            microSecondsToHertz(deviceInfo.rx.info.delay_min));
+            }
         }
         additionalDeviceInit();
         m_deviceFile.close();