diff options
| author | Luis R. Rodriguez <lrodriguez@atheros.com> | 2009-03-23 18:25:01 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-03-27 20:13:19 -0400 |
| commit | 051b919188650fe4c93ca8701183ae88439388f6 (patch) | |
| tree | bfb524a026a3b4b3fa24010fedde65440fd68d86 | |
| parent | 14344b81ec264efbe59de0183f5ba38650a479a6 (diff) | |
| download | linux-3.10-051b919188650fe4c93ca8701183ae88439388f6.tar.gz linux-3.10-051b919188650fe4c93ca8701183ae88439388f6.tar.bz2 linux-3.10-051b919188650fe4c93ca8701183ae88439388f6.zip | |
ath9k: fix dma mapping leak of rx buffer upon rmmod
We were claiming DMA buffers on the RX tasklet but never
upon a simple module removal.
Cc: stable@kernel.org
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | 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 917bac7af6f..71cb18d6757 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) |