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authorAlex Shi <alex.shi@linaro.org>2015-03-19 08:57:07 +0800
committerAlex Shi <alex.shi@linaro.org>2015-03-19 08:57:07 +0800
commit42f45c9abdea541a9f966553b5e71dd576d432f9 (patch)
treee9189f804b03d19696b0944a5a34ea9427177646 /drivers/net/macvtap.c
parent4d8fd56f051e5eea61209de4a3cb0619283a30af (diff)
parentba0bfedf4c9cad58f56a7038d1462ffc21cd33df (diff)
Merge branch 'linux-linaro-lsk' into linux-linaro-lsk-androidlsk-v3.10-15.03-android
Diffstat (limited to 'drivers/net/macvtap.c')
-rw-r--r--drivers/net/macvtap.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 2d255ba911d5..8fc46fcaee54 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -658,12 +658,15 @@ static unsigned long iov_pages(const struct iovec *iv, int offset,
return pages;
}
+/* Neighbour code has some assumptions on HH_DATA_MOD alignment */
+#define MACVTAP_RESERVE HH_DATA_OFF(ETH_HLEN)
+
/* Get packet from user space buffer */
static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
const struct iovec *iv, unsigned long total_len,
size_t count, int noblock)
{
- int good_linear = SKB_MAX_HEAD(NET_IP_ALIGN);
+ int good_linear = SKB_MAX_HEAD(MACVTAP_RESERVE);
struct sk_buff *skb;
struct macvlan_dev *vlan;
unsigned long len = total_len;
@@ -722,7 +725,7 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
linear = vnet_hdr.hdr_len;
}
- skb = macvtap_alloc_skb(&q->sk, NET_IP_ALIGN, copylen,
+ skb = macvtap_alloc_skb(&q->sk, MACVTAP_RESERVE, copylen,
linear, noblock, &err);
if (!skb)
goto err;