Revert "l2tp: constify inet6_protocol structures"

This reverts commit d04916a48ad4a3db892b664fa9c3a2a693c378ad.

inet6_add_protocol and inet6_del_protocol include casts that remove the
effect of the const annotation on their parameter, leading to possible
runtime crashes.

Reported-by: Eric Dumazet <[email protected]>
Signed-off-by: Julia Lawall <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index d2efcd93e1e2d5489e3cf0aa068f0943761320f2..88b397c30d86af8d6a22daeb466cedac36aac57e 100644 (file)
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -788,7 +788,7 @@ static struct inet_protosw l2tp_ip6_protosw = {
        .ops            = &l2tp_ip6_ops,
 };
 
-static const struct inet6_protocol l2tp_ip6_protocol = {
+static struct inet6_protocol l2tp_ip6_protocol __read_mostly = {
        .handler        = l2tp_ip6_recv,
 };