[PATCH net 1/2] net: sched: em_nbyte: don't add the data offset twice

[Wolfgang Bumiller]

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

Signed-off-by: Wolfgang Bumiller <w.bumil...@proxmox.com>
---
 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
@@ -47,15 +47,15 @@ static int em_nbyte_match(struct sk_buff *skb, struct 
tcf_ematch *em,
        unsigned char *ptr = tcf_get_base_ptr(skb, nbyte->hdr.layer);
 
        ptr += nbyte->hdr.off;
 
        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 = {
        .kind     = TCF_EM_NBYTE,
        .change   = em_nbyte_change,
        .match    = em_nbyte_match,
        .owner    = THIS_MODULE,
-- 
2.11.0