diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/pci.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/pci.c | 43 |
1 files changed, 26 insertions, 17 deletions
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index 89100e7c553b..254b64ba4bf6 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -669,6 +669,19 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) &rx_status, (u8 *) pdesc, skb); + new_skb = dev_alloc_skb(rtlpci->rxbuffersize); + if (unlikely(!new_skb)) { + RT_TRACE(rtlpriv, (COMP_INTR | COMP_RECV), + DBG_DMESG, + ("can't alloc skb for rx\n")); + goto done; + } + + pci_unmap_single(rtlpci->pdev, + *((dma_addr_t *) skb->cb), + rtlpci->rxbuffersize, + PCI_DMA_FROMDEVICE); + skb_put(skb, rtlpriv->cfg->ops->get_desc((u8 *) pdesc, false, HW_DESC_RXPKT_LEN)); @@ -685,22 +698,7 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) hdr = rtl_get_hdr(skb); fc = rtl_get_fc(skb); - /* try for new buffer - if allocation fails, drop - * frame and reuse old buffer - */ - new_skb = dev_alloc_skb(rtlpci->rxbuffersize); - if (unlikely(!new_skb)) { - RT_TRACE(rtlpriv, (COMP_INTR | COMP_RECV), - DBG_DMESG, - ("can't alloc skb for rx\n")); - goto done; - } - pci_unmap_single(rtlpci->pdev, - *((dma_addr_t *) skb->cb), - rtlpci->rxbuffersize, - PCI_DMA_FROMDEVICE); - - if (!stats.crc || !stats.hwerror) { + if (!stats.crc && !stats.hwerror) { memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status)); @@ -1626,6 +1624,16 @@ static bool _rtl_pci_find_adapter(struct pci_dev *pdev, pci_read_config_byte(pdev, 0x8, &revisionid); pci_read_config_word(pdev, 0x3C, &irqline); + /* PCI ID 0x10ec:0x8192 occurs for both RTL8192E, which uses + * r8192e_pci, and RTL8192SE, which uses this driver. If the + * revision ID is RTL_PCI_REVISION_ID_8192PCIE (0x01), then + * the correct driver is r8192e_pci, thus this routine should + * return false. + */ + if (deviceid == RTL_PCI_8192SE_DID && + revisionid == RTL_PCI_REVISION_ID_8192PCIE) + return false; + if (deviceid == RTL_PCI_8192_DID || deviceid == RTL_PCI_0044_DID || deviceid == RTL_PCI_0047_DID || @@ -1858,7 +1866,8 @@ int __devinit rtl_pci_probe(struct pci_dev *pdev, pci_write_config_byte(pdev, 0x04, 0x07); /* find adapter */ - _rtl_pci_find_adapter(pdev, hw); + if (!_rtl_pci_find_adapter(pdev, hw)) + goto fail3; /* Init IO handler */ _rtl_pci_io_handler_init(&pdev->dev, hw); |