diff options
| author | Ray Chen <raychen@qca.qualcomm.com> | 2012-04-12 20:48:34 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2012-04-16 09:12:21 +0300 |
| commit | 08c6100967103a26f4cf58b404205747733a8018 (patch) | |
| tree | 8928986fddeeaa52324a010384d3267a1978523a /drivers/net/wireless/ath/ath6kl | |
| parent | cdeb860252e66bdaf1ab70420274df879f243d3d (diff) | |
ath6kl: Fix system crash sometimes for USB hotplug
System crash because of NULL pointer reference due to
cleanup_scatter is not implemented for USB.
Signed-off-by: Ray Chen <raychen@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath6kl')
| -rw-r--r-- | drivers/net/wireless/ath/ath6kl/usb.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/usb.c b/drivers/net/wireless/ath/ath6kl/usb.c index 73aacdd047ca..dfbbe9e7ff75 100644 --- a/drivers/net/wireless/ath/ath6kl/usb.c +++ b/drivers/net/wireless/ath/ath6kl/usb.c @@ -1037,6 +1037,14 @@ static void ath6kl_usb_stop(struct ath6kl *ar) hif_stop(ar); } +static void ath6kl_usb_cleanup_scatter(struct ath6kl *ar) +{ + /* + * USB doesn't support it. Just return. + */ + return; +} + static const struct ath6kl_hif_ops ath6kl_usb_ops = { .diag_read32 = ath6kl_usb_diag_read32, .diag_write32 = ath6kl_usb_diag_write32, @@ -1049,6 +1057,7 @@ static const struct ath6kl_hif_ops ath6kl_usb_ops = { .pipe_get_default = ath6kl_usb_get_default_pipe, .pipe_map_service = ath6kl_usb_map_service_pipe, .pipe_get_free_queue_number = ath6kl_usb_get_free_queue_number, + .cleanup_scatter = ath6kl_usb_cleanup_scatter, }; /* ath6kl usb driver registered functions */ |