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