r8169: balance pci_map / pci_unmap pair

The leak hurts with swiotlb and jumbo frames.

Fix http://bugzilla.kernel.org/show_bug.cgi?id=9468.

Heavily hinted by Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Tested-by: Alistair John Strachan <alistair@devzero.co.uk>
Tested-by: Timothy J Fontaine <tjfontaine@atxconsulting.com>
Cc: Edward Hsu <edward_hsu@realtek.com.tw>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index a3e3895..0f6f974 100644 (file)
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -2792,7 +2792,7 @@ static int rtl8169_rx_interrupt(struct net_device *dev,
                                        pkt_size, PCI_DMA_FROMDEVICE);
                                rtl8169_mark_to_asic(desc, tp->rx_buf_sz);
                        } else {
-                               pci_unmap_single(pdev, addr, pkt_size,
+                               pci_unmap_single(pdev, addr, tp->rx_buf_sz,
                                                 PCI_DMA_FROMDEVICE);
                                tp->Rx_skbuff[entry] = NULL;
                        }