From: Larry Finger Date: Thu, 27 Dec 2012 16:37:29 +0000 (-0600) Subject: rtlwifi: rtl8192ce: Fix warning for unchecked pci_map_single() call X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9145910161ebe227fcdacbc771fadfa55a364763;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git 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: Larry Finger Signed-off-by: John W. Linville --- 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)