diff options
| author | James Minor <james.minor@ni.com> | 2016-10-03 21:00:02 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2016-10-06 10:14:35 +0300 |
| commit | 3605d751d5dd82ad1586bed72a0ebc84d81e20c7 (patch) | |
| tree | e84326a552bdb604db4dedf656d6e18934a8f42d /drivers/net/wireless/ath | |
| parent | ebee76f7fa46851775942624fe6c7b80559a408a (diff) | |
| download | linux-3605d751d5dd82ad1586bed72a0ebc84d81e20c7.tar.xz | |
ath6kl: fix busreqs so they can be reused when sg is cleaned up
To reuse the busreqs in case of hardware restart, they must be
properly reinitialized. If the scat_req pointer isn't reset to
0, __ath6kl_sdio_write_async() will assume there is sg work to be
done (causing a kernel OOPS).
Signed-off-by: James Minor <james.minor@ni.com>
Reviewed-by: Steve deRosier <steve.derosier@lairdtech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath')
| -rw-r--r-- | drivers/net/wireless/ath/ath6kl/sdio.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/sdio.c b/drivers/net/wireless/ath/ath6kl/sdio.c index eab0ab976af2..96ed0604b4e0 100644 --- a/drivers/net/wireless/ath/ath6kl/sdio.c +++ b/drivers/net/wireless/ath/ath6kl/sdio.c @@ -703,8 +703,10 @@ static void ath6kl_sdio_cleanup_scatter(struct ath6kl *ar) * ath6kl_hif_rw_comp_handler() with status -ECANCELED so * that the packet is properly freed? */ - if (s_req->busrequest) + if (s_req->busrequest) { + s_req->busrequest->scat_req = 0; ath6kl_sdio_free_bus_req(ar_sdio, s_req->busrequest); + } kfree(s_req->virt_dma_buf); kfree(s_req->sgentries); kfree(s_req); |