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path: root/drivers/net/wireless/rtlwifi/pci.c
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Diffstat (limited to 'drivers/net/wireless/rtlwifi/pci.c')
-rw-r--r--drivers/net/wireless/rtlwifi/pci.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 3deacafdcd5..4261e8ecc4c 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -743,6 +743,8 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
done:
bufferaddress = (*((dma_addr_t *)skb->cb));
+ if (pci_dma_mapping_error(rtlpci->pdev, bufferaddress))
+ return;
tmp_one = 1;
rtlpriv->cfg->ops->set_desc((u8 *) pdesc, false,
HW_DESC_RXBUFF_ADDR,
@@ -1115,6 +1117,10 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw)
PCI_DMA_FROMDEVICE);
bufferaddress = (*((dma_addr_t *)skb->cb));
+ if (pci_dma_mapping_error(rtlpci->pdev, bufferaddress)) {
+ dev_kfree_skb_any(skb);
+ return 1;
+ }
rtlpriv->cfg->ops->set_desc((u8 *)entry, false,
HW_DESC_RXBUFF_ADDR,
(u8 *)&bufferaddress);