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Subject[PATCH 3/6] net: bcmgenet: constify ethtool_ops structures
Date
Check for ethtool_ops structures that are only stored in the ethtool_ops
field of a net_device structure or passed as the second argument to
netdev_set_default_ethtool_ops. These contexts are declared const, so
ethtool_ops structures that have these properties can be declared as const
also.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct ethtool_ops i@p = { ... };

@ok1@
identifier r.i;
struct net_device e;
position p;
@@
e.ethtool_ops = &i@p;

@ok2@
identifier r.i;
expression e;
position p;
@@
netdev_set_default_ethtool_ops(e, &i@p)

@bad@
position p != {r.p,ok1.p,ok2.p};
identifier r.i;
@@
i@p

@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
struct ethtool_ops i = { ... };
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>

---
drivers/net/ethernet/broadcom/genet/bcmgenet.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 8d4f849..46f9043 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -973,7 +973,7 @@ static int bcmgenet_nway_reset(struct net_device *dev)
}

/* standard ethtool support functions. */
-static struct ethtool_ops bcmgenet_ethtool_ops = {
+static const struct ethtool_ops bcmgenet_ethtool_ops = {
.get_strings = bcmgenet_get_strings,
.get_sset_count = bcmgenet_get_sset_count,
.get_ethtool_stats = bcmgenet_get_ethtool_stats,
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