linux/net/l2tp
Julia Lawall eb94737d71 l2tp: constify net_device_ops structures
Check for net_device_ops structures that are only stored in the netdev_ops
field of a net_device structure.  This field is declared const, so
net_device_ops structures that have this property 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 net_device_ops i@p = { ... };

@ok@
identifier r.i;
struct net_device e;
position p;
@@
e.netdev_ops = &i@p;

@bad@
position p != {r.p,ok.p};
identifier r.i;
struct net_device_ops e;
@@
e@i@p

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

The result of size on this file before the change is:
   text	      data     bss     dec         hex	  filename
   3401        931      44    4376        1118	net/l2tp/l2tp_eth.o

and after the change it is:
   text	     data        bss	    dec	    hex	filename
   3993       347         44       4384    1120	net/l2tp/l2tp_eth.o

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-17 10:07:23 -04:00
..
Kconfig l2tp: Call udp_sock_create 2014-07-14 16:12:15 -07:00
Makefile l2tp: introduce L2TPv3 IP encapsulation support for IPv6 2012-05-01 09:30:55 -04:00
l2tp_core.c l2tp: fix use-after-free during module unload 2016-09-02 11:44:44 -07:00
l2tp_core.h l2tp: use IS_ENABLED() instead of checking for built-in or module 2016-09-10 21:19:11 -07:00
l2tp_debugfs.c ipv6: make lookups simpler and faster 2013-10-09 00:01:25 -04:00
l2tp_eth.c l2tp: constify net_device_ops structures 2016-09-17 10:07:23 -04:00
l2tp_ip.c ipv4: l2tp: fix a potential issue in l2tp_ip_recv 2016-04-04 16:00:28 -04:00
l2tp_ip6.c ipv6: use TOS marks from sockets for routing decision 2016-06-11 15:33:26 -07:00
l2tp_netlink.c l2tp: make nla_policy const 2016-09-01 14:09:01 -07:00
l2tp_ppp.c l2tp: use IS_ENABLED() instead of checking for built-in or module 2016-09-10 21:19:11 -07:00