build fix: fix retrun type for ath_buf_alloc

ath_buf_alloc is tx specific function. Rename it and fix return type

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>

diff --git a/target_firmware/wlan/if_owl.c b/target_firmware/wlan/if_owl.c
index 28609858b0f6561cd08497237d67ca74a37cca01..407f9f64011de413a80e0457532ec38fd86dbc95 100755 (executable)
--- a/target_firmware/wlan/if_owl.c
+++ b/target_firmware/wlan/if_owl.c
@@ -758,7 +758,7 @@ static struct ieee80211_node_target * ath_tgt_find_node(struct ath_softc_tgt *sc
        return NULL;
 }
 
-static struct ath_buf* ath_buf_alloc(struct ath_softc_tgt *sc)
+static struct ath_tx_buf* ath_tx_buf_alloc(struct ath_softc_tgt *sc)
 {
        struct ath_tx_buf *bf = NULL;
 
@@ -790,7 +790,7 @@ struct ath_tx_buf* ath_tgt_tx_prepare(struct ath_softc_tgt *sc,
                return NULL;
        }
 
-       bf = ath_buf_alloc(sc);
+       bf = ath_tx_buf_alloc(sc);
        if (!bf) {
                __stats(sc, tx_nobufs);
                return NULL;