We were claiming DMA buffers on the RX tasklet but never
upon a simple module removal.
Cc: stable@xxxxxxxxxx
Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
Signed-off-by: Luis R. Rodriguez <lrodriguez@xxxxxxxxxxx>
---
Sorry, forgot to CC stable
drivers/net/wireless/ath9k/recv.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/ath9k/recv.c b/drivers/net/wireless/ath9k/recv.c
index 917bac7..71cb18d 100644
--- a/drivers/net/wireless/ath9k/recv.c
+++ b/drivers/net/wireless/ath9k/recv.c
@@ -344,8 +344,13 @@ void ath_rx_cleanup(struct ath_softc *sc)
list_for_each_entry(bf, &sc->rx.rxbuf, list) {
skb = bf->bf_mpdu;
- if (skb)
+ if (skb) {
+ dma_unmap_single(sc->dev,
+ bf->bf_buf_addr,
+ sc->rx.bufsize,
+ DMA_FROM_DEVICE);
dev_kfree_skb(skb);
+ }
}
if (sc->rx.rxdma.dd_desc_len != 0)
--
1.5.6.4
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