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cfg80211: fix netdev down problem

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We shouldn't be looking at the ssid_len for non-IBSS,
and for IBSS we should also return an error on trying
to leave an IBSS while not in or joining an IBSS.

This fixes an issue where we wouldn't disconnect() on
an interface being taken down since there's no SSID
configured this way.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2009-07-07 03:56:05 +02:00 committed by John W. Linville
parent c9cf01226e
commit 7848547561
2 changed files with 4 additions and 3 deletions
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3
net/wireless/core.c
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@ -567,9 +567,6 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
#endif
break;
case NETDEV_GOING_DOWN:
if (!wdev->ssid_len)
break;
switch (wdev->iftype) {
case NL80211_IFTYPE_ADHOC:
cfg80211_leave_ibss(rdev, dev, true);

4
net/wireless/ibss.c
View File

@ -92,8 +92,12 @@ void cfg80211_clear_ibss(struct net_device *dev, bool nowext)
int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
struct net_device *dev, bool nowext)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
if (!wdev->ssid_len)
return -ENOLINK;
err = rdev->ops->leave_ibss(&rdev->wiphy, dev);
if (err)