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net: sched: em_nbyte: don't add the data offset twice 

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

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wolfgang Bumiller 2018-01-18 11:32:35 +01:00 committed by David S. Miller
parent 1ecdaea02c
commit 560a66075d
1 changed files with 1 additions and 1 deletions
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2
net/sched/em_nbyte.c
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@ -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 = {