mac80211: use __printf attribute in debugfs

The internal function mac80211_format_buffer() has a printf-style argument list, so add the attribute to have gcc verify that list. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
git-mirror · Oct 18, 2012 · 8c1dddd · 8c1dddd
1 parent 444e380
commit 8c1dddd
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/net/mac80211/debugfs.h b/net/mac80211/debugfs.h
@@ -2,9 +2,9 @@
 #define __MAC80211_DEBUGFS_H
 
 #ifdef CONFIG_MAC80211_DEBUGFS
-extern void debugfs_hw_add(struct ieee80211_local *local);
-extern int mac80211_format_buffer(char __user *userbuf, size_t count,
-				  loff_t *ppos, char *fmt, ...);
+void debugfs_hw_add(struct ieee80211_local *local);
+int __printf(4, 5) mac80211_format_buffer(char __user *userbuf, size_t count,
+					  loff_t *ppos, char *fmt, ...);
 #else
 static inline void debugfs_hw_add(struct ieee80211_local *local)
 {