diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8192ce/trx.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8192ce/trx.c | 11 | 
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c b/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c index 17342475614..c31795e379f 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c +++ b/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c @@ -611,8 +611,14 @@ void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,  	dma_addr_t mapping = pci_map_single(rtlpci->pdev,  					    skb->data, skb->len,  					    PCI_DMA_TODEVICE); +  	u8 bw_40 = 0; +	if (pci_dma_mapping_error(rtlpci->pdev, mapping)) { +		RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, +			 "DMA mapping error"); +		return; +	}  	rcu_read_lock();  	sta = get_sta(hw, mac->vif, mac->bssid);  	if (mac->opmode == NL80211_IFTYPE_STATION) { @@ -774,6 +780,11 @@ void rtl92ce_tx_fill_cmddesc(struct ieee80211_hw *hw,  	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);  	__le16 fc = hdr->frame_control; +	if (pci_dma_mapping_error(rtlpci->pdev, mapping)) { +		RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, +			 "DMA mapping error"); +		return; +	}  	CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);  	if (firstseg)  |