scratch/lwip
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

PPP, added missing cast on pbuf_header()

Browse Source
This commit is contained in:
Sylvain Rochet
2015-04-26 23:42:18 +02:00
parent 3a3c823ddb
commit 0a8b1c199d
4 changed files with 15 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/netif/ppp/pppol2tp.c
View File

@@ -443,7 +443,7 @@ static void pppol2tp_input(void *arg, struct udp_pcb *pcb, struct pbuf *p, const
/* printf("HLEN = %d\n", hlen); */
/* skip L2TP header */
if (pbuf_header(p, -hlen) != 0) {
if (pbuf_header(p, -(s16_t)hlen) != 0) {
goto free_and_return;
}
@@ -659,7 +659,7 @@ skipavp:
nextavp:
/* printf("AVP Found, vendor=%d, attribute=%d, len=%d\n", vendorid, attributetype, avplen); */
/* next AVP */
if (pbuf_header(p, -avplen - sizeof(avpflags) - sizeof(vendorid) - sizeof(attributetype) ) != 0) {
if (pbuf_header(p, -(s16_t)(avplen + sizeof(avpflags) + sizeof(vendorid) + sizeof(attributetype)) ) != 0) {
return;
}
}
@@ -1128,7 +1128,7 @@ static err_t pppol2tp_xmit(pppol2tp_pcb *l2tp, struct pbuf *pb) {
}
/* make room for L2TP header - should not fail */
if (pbuf_header(pb, PPPOL2TP_OUTPUT_DATA_HEADER_LEN) != 0) {
if (pbuf_header(pb, (s16_t)PPPOL2TP_OUTPUT_DATA_HEADER_LEN) != 0) {
/* bail out */
PPPDEBUG(LOG_ERR, ("pppol2tp: pppol2tp_pcb: could not allocate room for L2TP header\n"));
LINK_STATS_INC(link.lenerr);