pve-edge-kernel/patches/kernel/0015-net-sched-em_nbyte-don-t-add-the-data-offset-twice.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Wolfgang Bumiller <[email protected]>
Date: Fri, 19 Jan 2018 11:12:37 +0100
Subject: [PATCH] net: sched: em_nbyte: don't add the data offset twice
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

'ptr' is shifted by the offset and then validated,
the memcmp should not add it a second time.

Signed-off-by: Wolfgang Bumiller <[email protected]>
Signed-off-by: Fabian Grünbichler <[email protected]>
---
 net/sched/em_nbyte.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sched/em_nbyte.c b/net/sched/em_nbyte.c
index df3110d69585..07c10bac06a0 100644
--- a/net/sched/em_nbyte.c
+++ b/net/sched/em_nbyte.c
@@ -51,7 +51,7 @@ static int em_nbyte_match(struct sk_buff *skb, struct tcf_ematch *em,
 	if (!tcf_valid_offset(skb, ptr, nbyte->hdr.len))
 		return 0;
 
-	return !memcmp(ptr + nbyte->hdr.off, nbyte->pattern, nbyte->hdr.len);
+	return !memcmp(ptr, nbyte->pattern, nbyte->hdr.len);
 }
 
 static struct tcf_ematch_ops em_nbyte_ops = {
-- 
2.14.2