diff --git a/net/ieee80211/ieee80211_tx.c b/net/ieee80211/ieee80211_tx.c
index c9aaff3fea1e41f8c0211253b44cefec0edf5345..f9153671168e7a5cae0432e0975a0b9b7f6780e5 100644
--- a/net/ieee80211/ieee80211_tx.c
+++ b/net/ieee80211/ieee80211_tx.c
@@ -207,7 +207,7 @@ void ieee80211_txb_free(struct ieee80211_txb *txb)
 }
 
 static struct ieee80211_txb *ieee80211_alloc_txb(int nr_frags, int txb_size,
-						 int gfp_mask)
+						 unsigned int gfp_mask)
 {
 	struct ieee80211_txb *txb;
 	int i;