diff mbox

[net-next-2.6,13/13] igbvf: resolve "frees DMA memory with different size" warnings

Message ID 20090724041100.30709.78568.stgit@localhost.localdomain
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Kirsher, Jeffrey T July 24, 2009, 4:11 a.m. UTC 
From: Alexander Duyck <alexander.h.duyck@intel.com>

This change resolves some warnings seen with DMA debugging enabled in which
we were mapping skb->data with size + NET_IP_ALIGN and unmapping it with
just size.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---

 drivers/net/igbvf/netdev.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)


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diff mbox

Patch

diff --git a/drivers/net/igbvf/netdev.c b/drivers/net/igbvf/netdev.c
index 2bc9d63..926c31b 100644
--- a/drivers/net/igbvf/netdev.c
+++ b/drivers/net/igbvf/netdev.c
@@ -149,7 +149,6 @@  static void igbvf_alloc_rx_buffers(struct igbvf_ring *rx_ring,
 		bufsz = adapter->rx_ps_hdr_size;
 	else
 		bufsz = adapter->rx_buffer_len;
-	bufsz += NET_IP_ALIGN;
 
 	while (cleaned_count--) {
 		rx_desc = IGBVF_RX_DESC_ADV(*rx_ring, i);
@@ -173,7 +172,7 @@  static void igbvf_alloc_rx_buffers(struct igbvf_ring *rx_ring,
 		}
 
 		if (!buffer_info->skb) {
-			skb = netdev_alloc_skb(netdev, bufsz);
+			skb = netdev_alloc_skb(netdev, bufsz + NET_IP_ALIGN);
 			if (!skb) {
 				adapter->alloc_rx_buff_failed++;
 				goto no_buffers;
@@ -286,7 +285,7 @@  static bool igbvf_clean_rx_irq(struct igbvf_adapter *adapter,
 
 		if (!skb_shinfo(skb)->nr_frags) {
 			pci_unmap_single(pdev, buffer_info->dma,
-			                 adapter->rx_ps_hdr_size + NET_IP_ALIGN,
+			                 adapter->rx_ps_hdr_size,
 			                 PCI_DMA_FROMDEVICE);
 			skb_put(skb, hlen);
 		}