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genetlink: mark families as __ro_after_init

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Now genl_register_family() is the only thing (other than the
users themselves, perhaps, but I didn't find any doing that)
writing to the family struct.

In all families that I found, genl_register_family() is only
called from __init functions (some indirectly, in which case
I've add __init annotations to clarifly things), so all can
actually be marked __ro_after_init.

This protects the data structure from accidental corruption.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Johannes Berg
2016-10-24 14:40:05 +02:00
committed by David S. Miller
parent 2ae0f17df1
commit 56989f6d85
35 changed files with 51 additions and 51 deletions
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4
net/tipc/netlink.c
View File

@@ -249,7 +249,7 @@ static const struct genl_ops tipc_genl_v2_ops[] = {
#endif
};
struct genl_family tipc_genl_family = {
struct genl_family tipc_genl_family __ro_after_init = {
.name = TIPC_GENL_V2_NAME,
.version = TIPC_GENL_V2_VERSION,
.hdrsize = 0,
@@ -271,7 +271,7 @@ int tipc_nlmsg_parse(const struct nlmsghdr *nlh, struct nlattr ***attr)
return nlmsg_parse(nlh, GENL_HDRLEN, *attr, maxattr, tipc_nl_policy);
}
int tipc_netlink_start(void)
int __init tipc_netlink_start(void)
{
int res;

4
net/tipc/netlink_compat.c
View File

@@ -1222,7 +1222,7 @@ static struct genl_ops tipc_genl_compat_ops[] = {
},
};
static struct genl_family tipc_genl_compat_family = {
static struct genl_family tipc_genl_compat_family __ro_after_init = {
.name = TIPC_GENL_NAME,
.version = TIPC_GENL_VERSION,
.hdrsize = TIPC_GENL_HDRLEN,
@@ -1233,7 +1233,7 @@ static struct genl_family tipc_genl_compat_family = {
.n_ops = ARRAY_SIZE(tipc_genl_compat_ops),
};
int tipc_netlink_compat_start(void)
int __init tipc_netlink_compat_start(void)
{
int res;