diff --git a/net/ieee80211/ieee80211_tx.c b/net/ieee80211/ieee80211_tx.c
index 8d87897d7eb7ef218d483a90bb64606cdc557e91..e860777ab8d34cd4fa37cebfca694f40db1ac02f 100644
--- a/net/ieee80211/ieee80211_tx.c
+++ b/net/ieee80211/ieee80211_tx.c
@@ -187,7 +187,7 @@ 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;