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fix hostapd race condition which breaks wpa with madwifi

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SVN-Revision: 13075
This commit is contained in:
Felix Fietkau 2008-10-29 15:52:44 +00:00
parent 96244d4367
commit 1b5de1c105
1 changed files with 27 additions and 0 deletions
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27
package/hostapd/patches/100-madwifi_fix.patch Normal file
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@ -0,0 +1,27 @@
--- a/hostapd/driver_madwifi.c
+++ b/hostapd/driver_madwifi.c
@@ -298,6 +298,7 @@ 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);
@@ -312,10 +313,14 @@ 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]");