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authorFrancois Romieu <romieu@fr.zoreil.com>2006-11-17 23:15:17 +0100
committerFrancois Romieu <romieu@electric-eye.fr.zoreil.com>2006-12-04 01:04:36 +0100
commitcc9f022d97d08e4e36d38661857991fe91447d68 (patch)
tree9e61a230e49f870db5a6fc1d604b3aab5de08d1a /drivers/net/r8169.c
parent12d86f682e8acad8555718dc7b0082590f2365d0 (diff)
downloadop-kernel-dev-cc9f022d97d08e4e36d38661857991fe91447d68.zip
op-kernel-dev-cc9f022d97d08e4e36d38661857991fe91447d68.tar.gz
r8169: more alignment for the 0x8168
Two thirds of packets are lost because of misalignment. Users of Asus laptop did apparently not notice it. Reported on Gigabyte GA-945GM-S2. Fix for http://bugzilla.kernel.org/show_bug.cgi?id=7517 Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Diffstat (limited to 'drivers/net/r8169.c')
-rw-r--r--drivers/net/r8169.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 0b57050..2379d83 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -2018,7 +2018,7 @@ static int rtl8169_alloc_rx_skb(struct pci_dev *pdev, struct sk_buff **sk_buff,
if (!skb)
goto err_out;
- skb_reserve(skb, align);
+ skb_reserve(skb, (align - 1) & (u32)skb->data);
*sk_buff = skb;
mapping = pci_map_single(pdev, skb->data, rx_buf_sz,
@@ -2486,7 +2486,7 @@ static inline int rtl8169_try_rx_copy(struct sk_buff **sk_buff, int pkt_size,
skb = dev_alloc_skb(pkt_size + align);
if (skb) {
- skb_reserve(skb, align);
+ skb_reserve(skb, (align - 1) & (u32)skb->data);
eth_copy_and_sum(skb, sk_buff[0]->data, pkt_size, 0);
*sk_buff = skb;
rtl8169_mark_to_asic(desc, rx_buf_sz);
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