Fix for display navigation corner case

LINBIT / drbdtop

CLI management tool for DRBD. Like top, but for DRBD resources.

GNU General Public License v2.0

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Fix for display navigation corner case #2

Closed raltnoeder closed 7 years ago

raltnoeder commented 7 years ago

If no resources are displayed (e.g., no DRBD resources configured), attempting to navigate the display could lead to modulo-division by zero or an invalid index being calculated.