mac80211: a few code cleanups

This has some code cleanups (some inspired by checkpatch), I got
bored at probably a third of the output though so if somebody
else wants to...

Signed-off-by: Johannes Berg <johannes@sipsolutions.net
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index e3326d0..3ae5493 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -528,7 +528,7 @@
 	add_files(sdata);
 }
 
-static int netdev_notify(struct notifier_block * nb,
+static int netdev_notify(struct notifier_block *nb,
 			 unsigned long state,
 			 void *ndev)
 {