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 <[email protected]> --- drivers/net/wireless/intel/iwlwifi/dvm/tx.c | 1 + drivers/net/wireless/intel/iwlwifi/iwl-trans.h | 3 ++- drivers/net/wireless/intel/iwlwifi/mvm/tx.c | 2 +- 3 files changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/tx.c b/drivers/net/wireless/intel/iwlwifi/dvm/tx.c index cf0ad5f..59e2001 100644 --- a/drivers/net/wireless/intel/iwlwifi/dvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/dvm/tx.c @@ -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; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h index 6534537..a2683ef 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h @@ -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 diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index 04e921f..8bf48a7 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -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; -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
