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| author | Felix Fietkau <nbd@openwrt.org> | 2015-11-11 14:12:51 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2015-11-11 14:12:51 +0000 |
| commit | d9800efe48c13390d93557c4b5c3577fc6541418 (patch) | |
| tree | 9035e1376ebe99bc14cefafc25ac370876e65899 /target/linux/generic/patches-4.1/103-packet_allow_empty_payload.patch | |
| parent | c98a034ef3826eb04528bb9c73a93e50bb0abdf3 (diff) | |
| download | master-187ad058-d9800efe48c13390d93557c4b5c3577fc6541418.tar.gz master-187ad058-d9800efe48c13390d93557c4b5c3577fc6541418.tar.bz2 master-187ad058-d9800efe48c13390d93557c4b5c3577fc6541418.zip | |
kernel: fix an af_packet regression that was breaking PPPoE on 4.1+ (#20707)
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@47459 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-4.1/103-packet_allow_empty_payload.patch')
| -rw-r--r-- | target/linux/generic/patches-4.1/103-packet_allow_empty_payload.patch | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.1/103-packet_allow_empty_payload.patch b/target/linux/generic/patches-4.1/103-packet_allow_empty_payload.patch new file mode 100644 index 0000000000..052f457342 --- /dev/null +++ b/target/linux/generic/patches-4.1/103-packet_allow_empty_payload.patch @@ -0,0 +1,17 @@ +Fix a regression in the af_packet code that was breaking PPPoE + +pppd sends packets with only a header and no payload. + +Signed-off-by: Felix Fietkau <nbd@openwrt.org> + +--- a/net/packet/af_packet.c ++++ b/net/packet/af_packet.c +@@ -2106,7 +2106,7 @@ static void tpacket_destruct_skb(struct + static bool ll_header_truncated(const struct net_device *dev, int len) + { + /* net device doesn't like empty head */ +- if (unlikely(len <= dev->hard_header_len)) { ++ if (unlikely(len < dev->hard_header_len)) { + net_warn_ratelimited("%s: packet size is too short (%d <= %d)\n", + current->comm, len, dev->hard_header_len); + return true; |