net: constify some ppp/pptp structs

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c
index c07de359dc07..d72fb0519a2a 100644
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -1124,7 +1124,7 @@ static const struct proto_ops pppoe_ops = {
         .ioctl          = pppox_ioctl,
 };
 
-static struct pppox_proto pppoe_proto = {
+static const struct pppox_proto pppoe_proto = {
         .create = pppoe_create,
         .ioctl  = pppoe_ioctl,
         .owner  = THIS_MODULE,