diff options
| author | Luis R. Rodriguez <lrodriguez@atheros.com> | 2009-03-28 01:45:02 +0000 |
|---|---|---|
| committer | Chris Wright <chrisw@sous-sol.org> | 2009-04-02 13:55:16 -0700 |
| commit | fb2d617e4b8ac0a2c07643a3a6299409692f8003 (patch) | |
| tree | eac8847ef428f0a79d7ac5f02170cc183f40773d | |
| parent | 8bc20526fc862d18997fd6f267a985d428fbc6e5 (diff) | |
ath9k: fix dma mapping leak of rx buffer upon rmmod
upstream commit: 051b919188650fe4c93ca8701183ae88439388f6
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>
[chrisw: backport to 2.6.29]
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
| -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 462e08c3d09..c114cb7c240 100644 --- a/drivers/net/wireless/ath9k/recv.c +++ b/drivers/net/wireless/ath9k/recv.c @@ -322,8 +322,13 @@ 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) { + pci_unmap_single(sc->pdev, + bf->bf_buf_addr, + sc->rx.bufsize, + DMA_FROM_DEVICE); dev_kfree_skb(skb); + } } if (sc->rx.rxdma.dd_desc_len != 0) |