Commit 39d63f2a authored by Bruno Randolf's avatar Bruno Randolf Committed by John W. Linville

ath5k: reset more pointers after we free skbs

After we free skbs for receive or transmit descriptors, make sure we have no
pointers to the now invalid memory address.
Signed-off-by: default avatarBruno Randolf <br1@einfach.org>
Acked-by: default avatarBob Copeland <me@bobcopeland.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 0452d4a5
......@@ -322,6 +322,8 @@ static inline void ath5k_txbuf_free_skb(struct ath5k_softc *sc,
PCI_DMA_TODEVICE);
dev_kfree_skb_any(bf->skb);
bf->skb = NULL;
bf->skbaddr = 0;
bf->desc->ds_data = 0;
}
static inline void ath5k_rxbuf_free_skb(struct ath5k_softc *sc,
......@@ -337,6 +339,8 @@ static inline void ath5k_rxbuf_free_skb(struct ath5k_softc *sc,
PCI_DMA_FROMDEVICE);
dev_kfree_skb_any(bf->skb);
bf->skb = NULL;
bf->skbaddr = 0;
bf->desc->ds_data = 0;
}
......@@ -1455,9 +1459,12 @@ ath5k_desc_free(struct ath5k_softc *sc, struct pci_dev *pdev)
/* Free memory associated with all descriptors */
pci_free_consistent(pdev, sc->desc_len, sc->desc, sc->desc_daddr);
sc->desc = NULL;
sc->desc_daddr = 0;
kfree(sc->bufptr);
sc->bufptr = NULL;
sc->bbuf = NULL;
}
......
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