openwrt/target/linux/ar71xx/patches-3.10/422-dsa-trailer-tag-validat...

12 lines
390 B
Diff

--- a/net/dsa/tag_trailer.c
+++ b/net/dsa/tag_trailer.c
@@ -87,7 +87,7 @@ static int trailer_rcv(struct sk_buff *s
trailer = skb_tail_pointer(skb) - 4;
if (trailer[0] != 0x80 || (trailer[1] & 0xf8) != 0x00 ||
- (trailer[3] & 0xef) != 0x00 || trailer[3] != 0x00)
+ (trailer[2] & 0xef) != 0x00 || (trailer[3] & 0xfe) != 0x00)
goto out_drop;
source_port = trailer[1] & 7;