diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-25 21:25:02 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-25 21:25:02 -0800 |
| commit | 8f5f90a872c38b4e78f3cc95e8a25434b98e4db2 (patch) | |
| tree | 36c50b0c97286ab89c85016f7ab281f8e843c05c /drivers/net/wireless/rtlwifi/rtl8192se/trx.c | |
| parent | c0cd2da16b431a2007ea83865f3dd1530c1643a5 (diff) | |
| parent | 949db153b6466c6f7cad5a427ecea94985927311 (diff) | |
Merge 3.8-rc5 into staging-next
This resolves a merge issue with a iio driver, and the zram code.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8192se/trx.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8192se/trx.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c index 0e9f6ebf078..206561d7282 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c +++ b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c @@ -611,6 +611,11 @@ void rtl92se_tx_fill_desc(struct ieee80211_hw *hw, 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; + } if (mac->opmode == NL80211_IFTYPE_STATION) { bw_40 = mac->bw_40; } else if (mac->opmode == NL80211_IFTYPE_AP || @@ -763,6 +768,7 @@ void rtl92se_tx_fill_desc(struct ieee80211_hw *hw, void rtl92se_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc, bool firstseg, bool lastseg, struct sk_buff *skb) { + struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); struct rtl_tcb_desc *tcb_desc = (struct rtl_tcb_desc *)(skb->cb); @@ -770,7 +776,12 @@ void rtl92se_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc, dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len, PCI_DMA_TODEVICE); - /* Clear all status */ + if (pci_dma_mapping_error(rtlpci->pdev, mapping)) { + RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, + "DMA mapping error"); + return; + } + /* Clear all status */ CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_CMDDESC_SIZE_RTL8192S); /* This bit indicate this packet is used for FW download. */ |