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Added missing sanity check in uip-ds6-route.c

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This commit is contained in:
Simon Duquennoy 2015-05-07 16:58:23 +02:00
parent 2059be3a43
commit 8344290e08
1 changed files with 1 additions and 1 deletions
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2
core/net/ipv6/uip-ds6-route.c
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@ -280,7 +280,7 @@ uip_ds6_route_add(uip_ipaddr_t *ipaddr, uint8_t length,
if(r != NULL) { if(r != NULL) {
uip_ipaddr_t *current_nexthop; uip_ipaddr_t *current_nexthop;
current_nexthop = uip_ds6_route_nexthop(r); current_nexthop = uip_ds6_route_nexthop(r);
if(uip_ipaddr_cmp(nexthop, current_nexthop)) { if(current_nexthop != NULL && uip_ipaddr_cmp(nexthop, current_nexthop)) {
/* no need to update route - already correct! */ /* no need to update route - already correct! */
return r; return r;
} }