saltstack/salt — pull request #16185 by garethgreenaway (2014-09-26 18:31:56+00:00)
Title: Changes to salt/grains/core.py

Check for enable_lspci option and don't use if it's set to False. Also check to ensure /proc/bus/pci exists before using lspci, doesn't exist on certain machines eg. Raspberry Pi, so lspci will fail even if installed.