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RPL non-storing: fix a bug causing an infinite loop

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It falls into an infinite loop if it goes to the default label in the switch
statement of rpl_srh_get_next_hop() or rpl_process_srh_header().
This commit is contained in:
Yasuyuki Tanaka 2016-06-27 20:57:48 +02:00
parent 01a533fb75
commit e361c49f14
1 changed files with 2 additions and 12 deletions
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14
core/net/rpl/rpl-ext-header.c
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@ -195,12 +195,6 @@ rpl_srh_get_next_hop(uip_ipaddr_t *ipaddr)
/* Look for routing header */
while(uip_next_hdr != NULL && *uip_next_hdr != UIP_PROTO_ROUTING) {
switch(*uip_next_hdr) {
case UIP_PROTO_TCP:
case UIP_PROTO_UDP:
case UIP_PROTO_ICMP6:
case UIP_PROTO_NONE:
uip_next_hdr = NULL;
break;
case UIP_PROTO_HBHO:
case UIP_PROTO_DESTO:
case UIP_PROTO_FRAG:
@ -211,6 +205,7 @@ rpl_srh_get_next_hop(uip_ipaddr_t *ipaddr)
uip_next_hdr = &UIP_EXT_BUF->next;
break;
default:
uip_next_hdr = NULL;
break;
}
}
@ -249,12 +244,6 @@ rpl_process_srh_header(void)
/* Look for routing header */
while(uip_next_hdr != NULL && *uip_next_hdr != UIP_PROTO_ROUTING) {
switch(*uip_next_hdr) {
case UIP_PROTO_TCP:
case UIP_PROTO_UDP:
case UIP_PROTO_ICMP6:
case UIP_PROTO_NONE:
uip_next_hdr = NULL;
break;
case UIP_PROTO_HBHO:
case UIP_PROTO_DESTO:
case UIP_PROTO_FRAG:
@ -265,6 +254,7 @@ rpl_process_srh_header(void)
uip_next_hdr = &UIP_EXT_BUF->next;
break;
default:
uip_next_hdr = NULL;
break;
}
}