diff options
| author | Sara Sharon <sara.sharon@intel.com> | 2017-02-19 16:00:58 +0100 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2017-04-20 06:24:51 +0200 |
| commit | 9b1ea16763d37080892e4425831ca9c6298f4f5c (patch) | |
| tree | a3df48f0b53a20b27ee9531b58fff7ab38b6f962 /drivers/net | |
| parent | iwlwifi: a000: fix memory offsets and lengths (diff) | |
| download | linux-9b1ea16763d37080892e4425831ca9c6298f4f5c.tar.xz linux-9b1ea16763d37080892e4425831ca9c6298f4f5c.zip | |
iwlwifi: mvm: allow block ack response without data
When FW fails to get block ack, it will send the notification with
0 items in the TFD queue elements. Allow this and handle accordingly.
Fixes: c46e7724bfe9 ("iwlwifi: mvm: support new BA notification response")
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/tx.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index ed7ee5004645..8f737f6cdd80 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -1785,6 +1785,9 @@ void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) ba_info.status.status_driver_data[0] = (void *)(uintptr_t)ba_res->reduced_txp; + if (!le16_to_cpu(ba_res->tfd_cnt)) + goto out; + /* * TODO: * When supporting multi TID aggregations - we need to move @@ -1802,6 +1805,7 @@ void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) le16_to_cpu(ba_res->tfd[0].tfd_index), &ba_info, le32_to_cpu(ba_res->tx_rate)); +out: IWL_DEBUG_TX_REPLY(mvm, "BA_NOTIFICATION Received from sta_id = %d, flags %x, sent:%d, acked:%d\n", sta_id, le32_to_cpu(ba_res->flags), |