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mac80211: warn on some invalid vlan operations 

These should never happen, but better warn about them than
crashing a driver, the fact that they never happen is rather
subtle throughout mac80211.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2008-09-11 00:02:00 +02:00 committed by John W. Linville
parent 0d143fe1e2
commit 7a725f7340
1 changed files with 6 additions and 0 deletions
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6
net/mac80211/main.c
View File

@ -156,6 +156,9 @@ int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed)
if (WARN_ON(!netif_running(sdata->dev))) if (WARN_ON(!netif_running(sdata->dev)))
return 0; return 0;
if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN))
return -EINVAL;
if (!local->ops->config_interface) if (!local->ops->config_interface)
return 0; return 0;
@ -321,6 +324,9 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
{ {
struct ieee80211_local *local = sdata->local; struct ieee80211_local *local = sdata->local;
if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN))
return;
if (!changed) if (!changed)
return; return;