From 78c1acf35fcd528ff4c76057d5724ac00e0f7fff Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 3 May 2017 12:53:22 +0200 Subject: [PATCH] iwlwifi: simplify data tracepoint There's no need to calculate the data_len outside of the tracepoint, since it's always skb->len - hdr_len, which are both available inside. Simplify the callers and move the calculation in. Signed-off-by: Johannes Berg Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/iwl-devtrace-data.h | 11 ++++++----- drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c | 3 +-- drivers/net/wireless/intel/iwlwifi/pcie/tx.c | 3 +-- 3 files changed, 8 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-devtrace-data.h b/drivers/net/wireless/intel/iwlwifi/iwl-devtrace-data.h index d80312b46f16..a80e4202cd03 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-devtrace-data.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-devtrace-data.h @@ -35,19 +35,20 @@ TRACE_EVENT(iwlwifi_dev_tx_data, TP_PROTO(const struct device *dev, - struct sk_buff *skb, - u8 hdr_len, size_t data_len), - TP_ARGS(dev, skb, hdr_len, data_len), + struct sk_buff *skb, u8 hdr_len), + TP_ARGS(dev, skb, hdr_len), TP_STRUCT__entry( DEV_ENTRY - __dynamic_array(u8, data, iwl_trace_data(skb) ? data_len : 0) + __dynamic_array(u8, data, + iwl_trace_data(skb) ? skb->len - hdr_len : 0) ), TP_fast_assign( DEV_ASSIGN; if (iwl_trace_data(skb)) skb_copy_bits(skb, hdr_len, - __get_dynamic_array(data), data_len); + __get_dynamic_array(data), + skb->len - hdr_len); ), TP_printk("[%s] TX frame data", __get_str(dev)) ); diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c index 464a435a4440..a0b237b58b3d 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c @@ -469,8 +469,7 @@ struct iwl_tfh_tfd *iwl_pcie_gen2_build_tfd(struct iwl_trans *trans, trace_iwlwifi_dev_tx(trans->dev, skb, tfd, sizeof(*tfd), &dev_cmd->hdr, IWL_FIRST_TB_SIZE + tb1_len, skb->data + hdr_len, tb2_len); - trace_iwlwifi_dev_tx_data(trans->dev, skb, hdr_len, - skb->len - hdr_len); + trace_iwlwifi_dev_tx_data(trans->dev, skb, hdr_len); return tfd; diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index 0a6e36a8a0bf..98cccaeeecdd 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -1979,8 +1979,7 @@ static int iwl_fill_data_tbs(struct iwl_trans *trans, struct sk_buff *skb, trans_pcie->tfd_size, &dev_cmd->hdr, IWL_FIRST_TB_SIZE + tb1_len, skb->data + hdr_len, tb2_len); - trace_iwlwifi_dev_tx_data(trans->dev, skb, - hdr_len, skb->len - hdr_len); + trace_iwlwifi_dev_tx_data(trans->dev, skb, hdr_len); return 0; } -- 2.11.0