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authorJohn W. Linville <linville@tuxdriver.com>2013-01-28 19:54:03 +0100
committerJohn W. Linville <linville@tuxdriver.com>2013-01-28 19:54:03 +0100
commit9ebea3829fac7505e0cd2642fbd13cfa9c038831 (patch)
treeed690568a27b7231b8a507e8ba07c1ae34868e5c /drivers/net/wireless/rtlwifi/rtl8192se/trx.c
parentath9k_hw: remove a useless WARN_ON (diff)
parentmwifiex: fix typo in PCIe adapter NULL check (diff)
downloadlinux-9ebea3829fac7505e0cd2642fbd13cfa9c038831.tar.xz
linux-9ebea3829fac7505e0cd2642fbd13cfa9c038831.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Conflicts: drivers/net/wireless/ath/ath9k/main.c drivers/net/wireless/iwlwifi/dvm/tx.c
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8192se/trx.c')
-rw-r--r--drivers/net/wireless/rtlwifi/rtl8192se/trx.c13
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 18645146abe1..f8431a3c2c9d 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. */