Bug 610119 - fix coverify Defect Type: Null pointer dereferences issues 12167 - 12199
https://bugzilla.redhat.com/show_bug.cgi?id=610119
Resolves: bug 610119
Bug description: Fix coverify Defect Type: Null pointer dereferences issues 12167 - 12199
Fix description: Catch possible NULL pointer in index_range_read().