diff options
Diffstat (limited to 'src/ap/vlan_init.c')
| -rw-r--r-- | src/ap/vlan_init.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/ap/vlan_init.c b/src/ap/vlan_init.c index 01fecee026a11..e293a003303f9 100644 --- a/src/ap/vlan_init.c +++ b/src/ap/vlan_init.c @@ -187,6 +187,7 @@ struct hostapd_vlan * vlan_add_dynamic(struct hostapd_data *hapd, { struct hostapd_vlan *n; char ifname[IFNAMSIZ + 1], *pos; + int ret; if (vlan == NULL || vlan->vlan_id != VLAN_ID_WILDCARD) return NULL; @@ -208,8 +209,13 @@ struct hostapd_vlan * vlan_add_dynamic(struct hostapd_data *hapd, n->vlan_desc = *vlan_desc; n->dynamic_vlan = 1; - os_snprintf(n->ifname, sizeof(n->ifname), "%s%d%s", ifname, vlan_id, - pos); + ret = os_snprintf(n->ifname, sizeof(n->ifname), "%s%d%s", + ifname, vlan_id, pos); + if (os_snprintf_error(sizeof(n->ifname), ret)) { + os_free(n); + return NULL; + } + os_strlcpy(n->bridge, vlan->bridge, sizeof(n->bridge)); n->next = hapd->conf->vlan; hapd->conf->vlan = n; |