[NETFILTER]: nf_conntrack: fix helper structure alignment

Adding the alignment to the size doesn't make any sense, what it
should do is align the size of the conntrack structure to the
alignment requirements of the helper structure and return an
aligned pointer in nfct_help().

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index d0d0e6491448..b4beb8c799e5 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -273,6 +273,7 @@ static inline struct nf_conn_help *nfct_help(const struct nf_conn *ct)
         if (!(ct->features & NF_CT_F_HELP))
                 return NULL;
 
+        offset = ALIGN(offset, __alignof__(struct nf_conn_help));
         return (struct nf_conn_help *) ((void *)ct + offset);
 }