xfrm: constify xfrm_replay structures

The xfrm_replay structures are never modified, so declare them as const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index adfebd6f243c14d18b23988aa27c23c2a88f985e..d2fdd6d709595b437cbcd5bc46011c746d7b8bfd 100644 (file)
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -187,7 +187,7 @@ struct xfrm_state {
        struct xfrm_replay_state_esn *preplay_esn;
 
        /* The functions for replay detection. */
-       struct xfrm_replay      *repl;
+       const struct xfrm_replay *repl;
 
        /* internal flag that only holds state for delayed aevent at the
         * moment

diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c
index 4fd725a0c500ebf69a02e06fcf37ae3035ae0d98..cdc2e2e71bffa2d871d051870f0daf27067815fb 100644 (file)
--- a/net/xfrm/xfrm_replay.c
+++ b/net/xfrm/xfrm_replay.c
@@ -558,7 +558,7 @@ static void xfrm_replay_advance_esn(struct xfrm_state *x, __be32 net_seq)
                x->repl->notify(x, XFRM_REPLAY_UPDATE);
 }
 
-static struct xfrm_replay xfrm_replay_legacy = {
+static const struct xfrm_replay xfrm_replay_legacy = {
        .advance        = xfrm_replay_advance,
        .check          = xfrm_replay_check,
        .recheck        = xfrm_replay_check,
@@ -566,7 +566,7 @@ static struct xfrm_replay xfrm_replay_legacy = {
        .overflow       = xfrm_replay_overflow,
 };
 
-static struct xfrm_replay xfrm_replay_bmp = {
+static const struct xfrm_replay xfrm_replay_bmp = {
        .advance        = xfrm_replay_advance_bmp,
        .check          = xfrm_replay_check_bmp,
        .recheck        = xfrm_replay_check_bmp,
@@ -574,7 +574,7 @@ static struct xfrm_replay xfrm_replay_bmp = {
        .overflow       = xfrm_replay_overflow_bmp,
 };
 
-static struct xfrm_replay xfrm_replay_esn = {
+static const struct xfrm_replay xfrm_replay_esn = {
        .advance        = xfrm_replay_advance_esn,
        .check          = xfrm_replay_check_esn,
        .recheck        = xfrm_replay_recheck_esn,