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38 lines
1.1 KiB
Diff
38 lines
1.1 KiB
Diff
When freeing rx dma descriptors, use the right buffer size.
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Fixes kernel oopses on module unload on ixp4xx and most likely
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other platforms as well.
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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--- a/drivers/net/wireless/ath5k/base.c
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+++ b/drivers/net/wireless/ath5k/base.c
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@@ -310,6 +310,19 @@ static inline void ath5k_txbuf_free(stru
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bf->skb = NULL;
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}
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+static inline void ath5k_rxbuf_free(struct ath5k_softc *sc,
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+ struct ath5k_buf *bf)
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+{
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+ BUG_ON(!bf);
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+ if (!bf->skb)
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+ return;
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+ pci_unmap_single(sc->pdev, bf->skbaddr, sc->rxbufsize,
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+ PCI_DMA_FROMDEVICE);
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+ dev_kfree_skb_any(bf->skb);
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+ bf->skb = NULL;
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+}
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+
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+
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/* Queues setup */
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static struct ath5k_txq *ath5k_txq_setup(struct ath5k_softc *sc,
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int qtype, int subtype);
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@@ -1343,7 +1356,7 @@ ath5k_desc_free(struct ath5k_softc *sc,
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list_for_each_entry(bf, &sc->txbuf, list)
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ath5k_txbuf_free(sc, bf);
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list_for_each_entry(bf, &sc->rxbuf, list)
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- ath5k_txbuf_free(sc, bf);
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+ ath5k_rxbuf_free(sc, bf);
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/* Free memory associated with all descriptors */
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pci_free_consistent(pdev, sc->desc_len, sc->desc, sc->desc_daddr);
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