CVS commit: src/sys/net

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

Module Name:    src
Committed By:   knakahara
Date:           Thu Oct 19 11:28:30 UTC 2017

Modified Files:
        src/sys/net: if_l2tp.c

Log Message:
fix l2tp panic when l2tp session id is changed (same as if_vlan.c:r1.104)

E.g. the following operation causes this panic.
    ====================
    # ifconfig l2tp0 create
    # ifconfig l2tp0 session 140 140
    # ifconfig l2tp1 create
    # ifconfig l2tp1 session 200 200
    # ifconfig l2tp1 session 300 300
    panic: kernel diagnostic assertion "new->ple_next == NULL" failed: file "/disk4/home/k-nakahara/repos/netbsd-src/sys/sys/pslist.h", line 118
    ====================

Pointed out by s-yamaguchi@IIJ, thanks.

XXX need pullup-8


To generate a diff of this commit:
cvs rdiff -u -r1.11 -r1.12 src/sys/net/if_l2tp.c

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