CVS commit: src/sys/net

["Kengo NAKAHARA" <knakahara%netbsd.org@localhost>]

Module Name:    src
Committed By:   knakahara
Date:           Thu Oct 19 07:02:00 UTC 2017

Modified Files:
        src/sys/net: if_vlan.c

Log Message:
fix vlan panic when vlan is re-configured without destroy.

E.g. the following operation causes this panic.
    ====================
    # ifconfig vlan0 create
    # ifconfig vlan0 vlan 1 vlanif ixg3
    # ifconfig vlan1 create
    # ifconfig vlan1 vlan 1 vlanif ixg2
    # ifconfig vlan1 -vlanif
    # ifconfig vlan1 vlan 1 vlanif ixg2

    panic: kernel diagnostic assertion "new->ple_next == NULL" failed: file "/git/netbsd-src/sys/sys/pslist.h", line 118
    ====================

Pointed out and tested by msaitoh@n.o, fixed by s-yamaguchi@IIJ, thanks.

XXX need pullup-8


To generate a diff of this commit:
cvs rdiff -u -r1.103 -r1.104 src/sys/net/if_vlan.c

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