mac80211: push interface checks down

This patch pushes the "netif_running()" and "same type as before"
checks down into ieee80211_if_change_type() to centralise the
logic instead of duplicating it for cfg80211 and wext.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1 insertions, 8 deletions

diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index f2fdd3342195..c041db9556c7 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -296,14 +296,7 @@ static int ieee80211_ioctl_siwmode(struct net_device *dev,
                 return -EINVAL;
         }
 
-        if (type == sdata->vif.type)
-                return 0;
-        if (netif_running(dev))
-                return -EBUSY;
-
-        ieee80211_if_change_type(sdata, type);
-
-        return 0;
+        return ieee80211_if_change_type(sdata, type);
 }