netfilter: select LIBCRC32C together with SCTP conntrack

nf_conntrack needs to compute crc32c when dealing with SCTP packets.
Moreover, NF_NAT_PROTO_SCTP (currently selecting LIBCRC32C) can be enabled
only if conntrack support for SCTP is enabled. Therefore, move enabling of
kernel support for crc32c so that it is selected when NF_CT_PROTO_SCTP=y.

Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Reviewed-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index 63729b4..6d425e3 100644 (file)
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -162,6 +162,7 @@ config NF_CT_PROTO_SCTP
        bool 'SCTP protocol connection tracking support'
        depends on NETFILTER_ADVANCED
        default y
+       select LIBCRC32C
        help
          With this option enabled, the layer 3 independent connection
          tracking code will be able to do state tracking on SCTP connections.
@@ -397,7 +398,6 @@ config NF_NAT_PROTO_SCTP
        bool
        default NF_NAT && NF_CT_PROTO_SCTP
        depends on NF_NAT && NF_CT_PROTO_SCTP
-       select LIBCRC32C
 
 config NF_NAT_AMANDA
        tristate