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nl80211: only allow adding stations to running vlan interfaces

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2009-11-11 17:23:31 +01:00 • committed by John W. Linville
parent f501dba4c4
commit c258d2de97
1 changed files with 3 additions and 1 deletions
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4
net/wireless/nl80211.c
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@ -1821,7 +1821,7 @@ static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
} }
/* /*
* Get vlan interface making sure it is on the right wiphy. * Get vlan interface making sure it is running and on the right wiphy.
*/ */
static int get_vlan(struct genl_info *info, static int get_vlan(struct genl_info *info,
struct cfg80211_registered_device *rdev, struct cfg80211_registered_device *rdev,
@ -1839,6 +1839,8 @@ static int get_vlan(struct genl_info *info,
return -EINVAL; return -EINVAL;
if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy) if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy)
return -EINVAL; return -EINVAL;
if (!netif_running(*vlan))
return -ENETDOWN;
} }
return 0; return 0;
} }