Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 91459101 authored by Larry Finger's avatar Larry Finger Committed by John W. Linville
Browse files

rtlwifi: rtl8192ce: Fix warning for unchecked pci_map_single() call 



Kernel 3.8 implements checking of all DMA mapping calls and issues
a WARNING for the first it finds that is not checked.

Signed-off-by: default avatarLarry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 86bfec8d

drivers/net/wireless/rtlwifi/rtl8192ce/trx.c

+11 −0
Original line number Diff line number Diff line
@@ -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)