HDLC_PPP: Fix Configure-Ack to return original options as required by the standard.

Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
This commit is contained in:
Krzysztof Hałasa 2008-11-26 23:06:57 +01:00
parent e6da96ace8
commit 93bc933524

View file

@ -303,7 +303,7 @@ static int cp_table[EVENTS][STATES] = {
STA: RTR must supply id
SCJ: RUC must supply CP packet len and data */
static void ppp_cp_event(struct net_device *dev, u16 pid, u16 event, u8 code,
u8 id, unsigned int len, void *data)
u8 id, unsigned int len, const void *data)
{
int old_state, action;
struct ppp *ppp = get_ppp(dev);
@ -374,11 +374,12 @@ static void ppp_cp_event(struct net_device *dev, u16 pid, u16 event, u8 code,
static void ppp_cp_parse_cr(struct net_device *dev, u16 pid, u8 id,
unsigned int len, u8 *data)
unsigned int req_len, const u8 *data)
{
static u8 const valid_accm[6] = { LCP_OPTION_ACCM, 6, 0, 0, 0, 0 };
u8 *opt, *out;
unsigned int nak_len = 0, rej_len = 0;
const u8 *opt;
u8 *out;
unsigned int len = req_len, nak_len = 0, rej_len = 0;
if (!(out = kmalloc(len, GFP_ATOMIC))) {
dev->stats.rx_dropped++;
@ -423,7 +424,7 @@ static void ppp_cp_parse_cr(struct net_device *dev, u16 pid, u8 id,
else if (nak_len)
ppp_cp_event(dev, pid, RCR_BAD, CP_CONF_NAK, id, nak_len, out);
else
ppp_cp_event(dev, pid, RCR_GOOD, CP_CONF_ACK, id, len, data);
ppp_cp_event(dev, pid, RCR_GOOD, CP_CONF_ACK, id, req_len, data);
kfree(out);
}