diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-07-04 18:19:21 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-07-04 18:19:21 +0300 |
| commit | c318a821b9828ef3be97d5d896d146e7daa43c86 (patch) | |
| tree | 7ed40911ffebcbabf87ec4be692f6fb154053687 /net/ipv4/gre_demux.c | |
| parent | 322832f2f19e04c866a0ce4bdac8cff8e695f2b3 (diff) | |
| parent | a99cde438de0c4c0cecc1d1af1a55a75b10bfdef (diff) | |
| download | linux-c318a821b9828ef3be97d5d896d146e7daa43c86.tar.xz | |
Merge 4.7-rc6 into usb-next
We want the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/ipv4/gre_demux.c')
| -rw-r--r-- | net/ipv4/gre_demux.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/net/ipv4/gre_demux.c b/net/ipv4/gre_demux.c index 4c39f4fd332a..de1d119a4497 100644 --- a/net/ipv4/gre_demux.c +++ b/net/ipv4/gre_demux.c @@ -62,26 +62,26 @@ EXPORT_SYMBOL_GPL(gre_del_protocol); /* Fills in tpi and returns header length to be pulled. */ int gre_parse_header(struct sk_buff *skb, struct tnl_ptk_info *tpi, - bool *csum_err, __be16 proto) + bool *csum_err, __be16 proto, int nhs) { const struct gre_base_hdr *greh; __be32 *options; int hdr_len; - if (unlikely(!pskb_may_pull(skb, sizeof(struct gre_base_hdr)))) + if (unlikely(!pskb_may_pull(skb, nhs + sizeof(struct gre_base_hdr)))) return -EINVAL; - greh = (struct gre_base_hdr *)skb_transport_header(skb); + greh = (struct gre_base_hdr *)(skb->data + nhs); if (unlikely(greh->flags & (GRE_VERSION | GRE_ROUTING))) return -EINVAL; tpi->flags = gre_flags_to_tnl_flags(greh->flags); hdr_len = gre_calc_hlen(tpi->flags); - if (!pskb_may_pull(skb, hdr_len)) + if (!pskb_may_pull(skb, nhs + hdr_len)) return -EINVAL; - greh = (struct gre_base_hdr *)skb_transport_header(skb); + greh = (struct gre_base_hdr *)(skb->data + nhs); tpi->proto = greh->protocol; options = (__be32 *)(greh + 1); |