From c1f33442976b52676aa8b5ee9140b0b85bb4bd75 Mon Sep 17 00:00:00 2001 From: Liad Kaufman Date: Mon, 22 Oct 2018 10:12:28 +0300 Subject: [PATCH] iwlwifi: memcpy from dev_cmd and not dev_cmd->hdr Klocwork complains about copying from dev_cmd->hdr if copying more than 4 bytes since it means part of the copy is from the next field. This isn't a real bug, but for not failing Klocwork next time - fix this. Signed-off-by: Liad Kaufman Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c | 4 ++-- drivers/net/wireless/intel/iwlwifi/pcie/tx.c | 3 +-- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c index af27915..d2bd7f5 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c @@ -412,7 +412,7 @@ iwl_tfh_tfd *iwl_pcie_gen2_build_tx_amsdu(struct iwl_trans *trans, goto out_err; /* building the A-MSDU might have changed this data, memcpy it now */ - memcpy(&txq->first_tb_bufs[idx], &dev_cmd->hdr, IWL_FIRST_TB_SIZE); + memcpy(&txq->first_tb_bufs[idx], dev_cmd, IWL_FIRST_TB_SIZE); return tfd; out_err: @@ -473,7 +473,7 @@ iwl_tfh_tfd *iwl_pcie_gen2_build_tx(struct iwl_trans *trans, tb_phys = iwl_pcie_get_first_tb_dma(txq, idx); /* The first TB points to bi-directional DMA data */ - memcpy(&txq->first_tb_bufs[idx], &dev_cmd->hdr, IWL_FIRST_TB_SIZE); + memcpy(&txq->first_tb_bufs[idx], dev_cmd, IWL_FIRST_TB_SIZE); iwl_pcie_gen2_set_tb(trans, tfd, tb_phys, IWL_FIRST_TB_SIZE); diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index ee990a7..7073116 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -2438,8 +2438,7 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, } /* building the A-MSDU might have changed this data, so memcpy it now */ - memcpy(&txq->first_tb_bufs[txq->write_ptr], &dev_cmd->hdr, - IWL_FIRST_TB_SIZE); + memcpy(&txq->first_tb_bufs[txq->write_ptr], dev_cmd, IWL_FIRST_TB_SIZE); tfd = iwl_pcie_get_tfd(trans, txq, txq->write_ptr); /* Set up entry for this TFD in Tx byte-count array */ -- 2.7.4