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iwlwifi: clear ieee80211_tx_info->driver_data in the op_mode

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The transport will need to use the info->driver_data
pointers. Since the op_mode has this memory hot in cache,
clear it there.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Emmanuel Grumbach 2015-10-26 15:39:22 +02:00
parent 3a0b2a4225
commit 3f73b8cad1
3 changed files with 4 additions and 2 deletions
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1
drivers/net/wireless/intel/iwlwifi/dvm/tx.c
View File

@ -383,6 +383,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv,
iwlagn_tx_cmd_build_rate(priv, tx_cmd, info, sta, fc);
memset(&info->status, 0, sizeof(info->status));
memset(info->driver_data, 0, sizeof(info->driver_data));
info->driver_data[0] = ctx;
info->driver_data[1] = dev_cmd;

3
drivers/net/wireless/intel/iwlwifi/iwl-trans.h
View File

@ -552,7 +552,8 @@ struct iwl_trans_txq_scd_cfg {
* If RFkill is asserted in the middle of a SYNC host command, it must
* return -ERFKILL straight away.
* May sleep only if CMD_ASYNC is not set
* @tx: send an skb
* @tx: send an skb. The transport relies on the op_mode to zero the
* the ieee80211_tx_info->driver_data.
* Must be atomic
* @reclaim: free packet until ssn. Returns a list of freed packets.
* Must be atomic

2
drivers/net/wireless/intel/iwlwifi/mvm/tx.c
View File

@ -346,8 +346,8 @@ iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb,
iwl_mvm_set_tx_cmd_rate(mvm, tx_cmd, info, sta, hdr->frame_control);
memset(&info->status, 0, sizeof(info->status));
memset(info->driver_data, 0, sizeof(info->driver_data));
info->driver_data[0] = NULL;
info->driver_data[1] = dev_cmd;
return dev_cmd;