CVS commit: [netbsd-9] src/sys/netinet

["Martin Husemann" <martin%netbsd.org@localhost>]

Module Name:    src
Committed By:   martin
Date:           Fri Jan 24 18:57:02 UTC 2020

Modified Files:
        src/sys/netinet [netbsd-9]: if_arp.c

Log Message:
Pull up following revision(s) (requested by roy in ticket #645):

        sys/netinet/if_arp.c: revision 1.292

arp: find source address then target address when processing input

This fixes the case where another host having a duplicate ip address
starts using it right away without probing for it's availability.

While here, prefer ifatoia over a strict cast.


To generate a diff of this commit:
cvs rdiff -u -r1.282.2.5 -r1.282.2.6 src/sys/netinet/if_arp.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.