diff --git a/net/ieee80211/ieee80211_tx.c b/net/ieee80211/ieee80211_tx.c
index 308fcd9..a3054c5 100644
--- a/net/ieee80211/ieee80211_tx.c
+++ b/net/ieee80211/ieee80211_tx.c
@@ -212,8 +212,8 @@
 	kfree(txb);
 }
 
-struct ieee80211_txb *ieee80211_alloc_txb(int nr_frags, int txb_size,
-					  int gfp_mask)
+static struct ieee80211_txb *ieee80211_alloc_txb(int nr_frags, int txb_size,
+						 int gfp_mask)
 {
 	struct ieee80211_txb *txb;
 	int i;