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--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -13499,7 +13499,7 @@ cleanup_ath_buf(struct ath_softc *sc, st
if (bf == NULL)
return bf;
- if (bf->bf_skbaddr) {
+ if (bf->bf_skb && bf->bf_skbaddr) {
bus_unmap_single(
sc->sc_bdev,
bf->bf_skbaddr,
@@ -13507,8 +13507,6 @@ cleanup_ath_buf(struct ath_softc *sc, st
sc->sc_rxbufsize : bf->bf_skb->len),
direction);
bf->bf_skbaddr = 0;
- bf->bf_desc->ds_link = 0;
- bf->bf_desc->ds_data = 0;
}
#ifdef ATH_SUPERG_FF
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