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Don't crash when the user feeds us nonesense in the form:

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ifconfig IF ether WHATEVER -alias

PR:		42544
Submitted by:	Mike Makonnen <makonnen@pacbell.net>
This commit is contained in:
Dima Dorfman 2002-10-02 02:17:59 +00:00
parent 99253b64fb
commit b6fcb4fec3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=104337
1 changed files with 4 additions and 3 deletions
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7
sbin/ifconfig/ifconfig.c
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@ -965,9 +965,10 @@ void
notealias(const char *addr, int param, int s, const struct afswtch *afp) notealias(const char *addr, int param, int s, const struct afswtch *afp)
{ {
if (setaddr && doalias == 0 && param < 0) if (setaddr && doalias == 0 && param < 0)
bcopy((caddr_t)rqtosa(af_addreq), if (afp->af_addreq != NULL && afp->af_ridreq != NULL)
(caddr_t)rqtosa(af_ridreq), bcopy((caddr_t)rqtosa(af_addreq),
rqtosa(af_addreq)->sa_len); (caddr_t)rqtosa(af_ridreq),
rqtosa(af_addreq)->sa_len);
doalias = param; doalias = param;
if (param < 0) { if (param < 0) {
clearaddr = 1; clearaddr = 1;