From: Benjamin Berg <bberg@xxxxxxxxxx> Otherwise the WPA_IF_P2P_DEVICE cannot be created. As this is not a netdev device, it is acceptable if the name is not completely unique. As such, simply insert a NUL byte at the appropriate place. Signed-off-by: Benjamin Berg <bberg@xxxxxxxxxx> --- wpa_supplicant/p2p_supplicant.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/wpa_supplicant/p2p_supplicant.c b/wpa_supplicant/p2p_supplicant.c index e94bffe52..17c25889c 100644 --- a/wpa_supplicant/p2p_supplicant.c +++ b/wpa_supplicant/p2p_supplicant.c @@ -3929,6 +3929,10 @@ int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant *wpa_s, wpa_s->ifname); if (os_snprintf_error(sizeof(ifname), ret)) return -1; + /* Cut length at the maximum size. Note that we don't need to ensure + * collision free names here as the created interface is not a netdev. + */ + ifname[IFNAMSIZ-1] = '\0'; force_name[0] = '\0'; wpa_s->pending_interface_type = WPA_IF_P2P_DEVICE; ret = wpa_drv_if_add(wpa_s, WPA_IF_P2P_DEVICE, ifname, NULL, NULL, -- 2.26.2 _______________________________________________ Hostap mailing list Hostap@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/hostap