Created attachment 181102 [details] git patch We have found and fixed a bug using PVS-Studio tool. PVS-Studio is a static code analyzer for C, C++ and C#: https://www.viva64.com/en/pvs-studio/ Analyzer warning: V646 Consider inspecting the application's logic. It's possible that 'else' keyword is missing. if_em.c 1944
A commit references this bug: Author: sbruno Date: Fri Mar 24 14:25:56 UTC 2017 New revision: 315903 URL: https://svnweb.freebsd.org/changeset/base/315903 Log: Add missing 'else' to 3-state conditional during setup of interrupts. We don't want to overwrite the 82574 interrupt setup with a different configuration. PR: 218041 Submitted by: razmyslov@viva64.com Changes: head/sys/dev/e1000/if_em.c
Thanks for spending the time to put together this bug.