From 93da049851f36b714f8c163821c5701dde526277 Mon Sep 17 00:00:00 2001 From: Jouni Malinen Date: Sat, 11 Oct 2014 18:43:30 +0300 Subject: [PATCH] nl80211: Be more consistent with linux_set_iface_flags() result Check the return value and write a debug message if this operation failes (CID 74146). Signed-off-by: Jouni Malinen --- src/drivers/driver_nl80211.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c index 675276034..fe1dc7f27 100644 --- a/src/drivers/driver_nl80211.c +++ b/src/drivers/driver_nl80211.c @@ -5008,7 +5008,11 @@ static void wpa_driver_nl80211_deinit(struct i802_bss *bss) (void) i802_set_iface_flags(bss, 0); if (drv->addr_changed) { - linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0); + if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, + 0) < 0) { + wpa_printf(MSG_DEBUG, + "nl80211: Could not set interface down to restore permanent MAC address"); + } if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, drv->perm_addr) < 0) { wpa_printf(MSG_DEBUG,