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Don't peek at part of a structure via fuword. Does not work well on 

64bit architectures. XXX - have to check other changes in the I4B
distribution, this had been fixed there a long time ago.
This commit is contained in:
martin 2001-01-15 13:40:35 +00:00
parent 7846de58b2
commit 89e8f275be
1 changed files with 4 additions and 3 deletions
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7
sys/net/if_spppsubr.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_spppsubr.c,v 1.17 2001/01/07 21:47:28 martin Exp $ */
/* $NetBSD: if_spppsubr.c,v 1.18 2001/01/15 13:40:35 martin Exp $ */
/*
* Synchronous PPP/Cisco link level subroutines.
@ -4928,10 +4928,10 @@ sppp_suggest_ip6_addr(struct sppp *sp, struct in6_addr *suggest)
static int
sppp_params(struct sppp *sp, int cmd, void *data)
{
int subcmd;
struct ifreq *ifr = (struct ifreq *)data;
struct spppreq spr;
#if 0
/*
* ifr->ifr_data is supposed to point to a struct spppreq.
* Check the cmd word first before attempting to fetch all the
@ -4939,11 +4939,12 @@ sppp_params(struct sppp *sp, int cmd, void *data)
*/
if ((subcmd = fuword(ifr->ifr_data)) == -1)
return EFAULT;
#endif
if (copyin((caddr_t)ifr->ifr_data, &spr, sizeof spr) != 0)
return EFAULT;
switch (subcmd) {
switch (spr.cmd) {
case SPPPIOGDEFS:
if (cmd != (int)SIOCGIFGENERIC)
return EINVAL;