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authorZoltan HERPAI <wigyori@uid0.hu>2016-10-12 00:15:28 +0200
committerZoltan HERPAI <wigyori@uid0.hu>2016-10-12 00:15:28 +0200
commita7099373073304de9c0b6aa6d0909b4d079ebe2f (patch)
treeec112cdb04541c437183cade6d4cd95e6286e9e9 /target/linux/generic/patches-4.1/103-packet_allow_empty_payload.patch
parent4acd4da998e71c681f7030f9706abda055f95ccc (diff)
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Revert "kernel: bump 4.1 to 4.1.30"
Stay on 4.1.27 This reverts commit 231ef70f455fcc230a400af90a13e181a2c261cd.
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.patch17
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..2b9c4b00a2
--- /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@nbd.name>
+
+--- a/net/packet/af_packet.c
++++ b/net/packet/af_packet.c
+@@ -2112,7 +2112,7 @@ 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;