2016-12-25 19:11:34 +00:00
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From: Felix Fietkau <nbd@nbd.name>
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Subject: pppoe: add extra padding for the header (useful for drivers that need headroom)
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lede-commit 6517a757ec711fc3354b857e273e2621042f3c7a
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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drivers/net/ppp/pppoe.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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--- a/drivers/net/ppp/pppoe.c
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+++ b/drivers/net/ppp/pppoe.c
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2017-08-17 08:51:05 +00:00
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@@ -861,7 +861,7 @@ static int pppoe_sendmsg(struct socket *
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2016-12-25 19:11:34 +00:00
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goto end;
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- skb = sock_wmalloc(sk, total_len + dev->hard_header_len + 32,
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+ skb = sock_wmalloc(sk, total_len + dev->hard_header_len + 32 + NET_SKB_PAD,
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0, GFP_KERNEL);
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if (!skb) {
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error = -ENOMEM;
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2017-08-17 08:51:05 +00:00
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@@ -869,7 +869,7 @@ static int pppoe_sendmsg(struct socket *
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2016-12-25 19:11:34 +00:00
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}
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/* Reserve space for headers. */
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- skb_reserve(skb, dev->hard_header_len);
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+ skb_reserve(skb, dev->hard_header_len + NET_SKB_PAD);
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skb_reset_network_header(skb);
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skb->dev = dev;
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