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18 lines
636 B
Diff
18 lines
636 B
Diff
Fix a regression in the af_packet code that was breaking PPPoE
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pppd sends packets with only a header and no payload.
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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--- a/net/packet/af_packet.c
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+++ b/net/packet/af_packet.c
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@@ -2112,7 +2112,7 @@ static void tpacket_destruct_skb(struct
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static bool ll_header_truncated(const struct net_device *dev, int len)
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{
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/* net device doesn't like empty head */
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- if (unlikely(len <= dev->hard_header_len)) {
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+ if (unlikely(len < dev->hard_header_len)) {
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net_warn_ratelimited("%s: packet size is too short (%d <= %d)\n",
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current->comm, len, dev->hard_header_len);
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return true;
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