All tables of function pointers should be const to make hacks more difficult. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> --- Patch against net-next --- a/drivers/net/xen-netback/interface.c 2011-12-07 10:54:19.232282492 -0800 +++ b/drivers/net/xen-netback/interface.c 2012-01-04 13:16:04.414052721 -0800 @@ -223,7 +223,7 @@ static void xenvif_get_strings(struct ne } } -static struct ethtool_ops xenvif_ethtool_ops = { +static const struct ethtool_ops xenvif_ethtool_ops = { .get_link = ethtool_op_get_link, .get_sset_count = xenvif_get_sset_count, @@ -231,7 +231,7 @@ static struct ethtool_ops xenvif_ethtool .get_strings = xenvif_get_strings, }; -static struct net_device_ops xenvif_netdev_ops = { +static const struct net_device_ops xenvif_netdev_ops = { .ndo_start_xmit = xenvif_start_xmit, .ndo_get_stats = xenvif_get_stats, .ndo_open = xenvif_open,
On Wed, 2012-01-04 at 21:56 +0000, Stephen Hemminger wrote:> All tables of function pointers should be const to make hacks > more difficult. Compile tested only.I also eyeballed for any writes to these structs and couldn''t find one.> Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>Acked-by: Ian Campbell <ian.campbell@citrix.com>> > --- > Patch against net-next > > --- a/drivers/net/xen-netback/interface.c 2011-12-07 10:54:19.232282492 -0800 > +++ b/drivers/net/xen-netback/interface.c 2012-01-04 13:16:04.414052721 -0800 > @@ -223,7 +223,7 @@ static void xenvif_get_strings(struct ne > } > } > > -static struct ethtool_ops xenvif_ethtool_ops = { > +static const struct ethtool_ops xenvif_ethtool_ops = { > .get_link = ethtool_op_get_link, > > .get_sset_count = xenvif_get_sset_count, > @@ -231,7 +231,7 @@ static struct ethtool_ops xenvif_ethtool > .get_strings = xenvif_get_strings, > }; > > -static struct net_device_ops xenvif_netdev_ops = { > +static const struct net_device_ops xenvif_netdev_ops = { > .ndo_start_xmit = xenvif_start_xmit, > .ndo_get_stats = xenvif_get_stats, > .ndo_open = xenvif_open,
From: Stephen Hemminger <shemminger@vyatta.com> Date: Wed, 4 Jan 2012 13:56:58 -0800> All tables of function pointers should be const to make hacks > more difficult. Compile tested only. > > Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>Applied.