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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.c43
1 files changed, 26 insertions, 17 deletions
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 89100e7..254b64b 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);
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