blob: 47ce89dd5681b20db990c953bbd4a9519ffda03f (
plain)
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--- a/hostapd/driver_madwifi.c
+++ b/hostapd/driver_madwifi.c
@@ -310,6 +310,7 @@ madwifi_set_iface_flags(void *priv, int
{
struct madwifi_driver_data *drv = priv;
struct ifreq ifr;
+ short flags;
wpa_printf(MSG_DEBUG, "%s: dev_up=%d", __func__, dev_up);
@@ -324,10 +325,14 @@ madwifi_set_iface_flags(void *priv, int
return -1;
}
+ flags = ifr.ifr_flags;
if (dev_up)
- ifr.ifr_flags |= IFF_UP;
+ flags |= IFF_UP;
else
- ifr.ifr_flags &= ~IFF_UP;
+ flags &= ~IFF_UP;
+
+ if (flags == ifr.ifr_flags)
+ return 0;
if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, &ifr) != 0) {
perror("ioctl[SIOCSIFFLAGS]");
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