xiao sun / BLE_API

fork BLE_API to add update adv payload API

Fork of BLE_API by Bluetooth Low Energy

Diff: common/DiscoveredCharacteristic.cpp

Revision:
498:f3cd1e9e1ebc
Parent:
497:926d444599e8
Child:
499:db9bc083f91e
--- a/common/DiscoveredCharacteristic.cpp	Fri Jun 19 15:52:03 2015 +0100
+++ b/common/DiscoveredCharacteristic.cpp	Fri Jun 19 15:52:03 2015 +0100
@@ -37,6 +37,10 @@
         return BLE_ERROR_OPERATION_NOT_PERMITTED;
     }
 
+    if (!gattc) {
+        return BLE_ERROR_INVALID_STATE;
+    }
+
     return gattc->read(connHandle, valueHandle, offset);
 }