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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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Johannes Berg 2016-10-24 14:40:05 +02:00 • committed by David S. Miller
commit 56989f6d85
35 changed files with 51 additions and 51 deletions
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4
net/irda/irnetlink.c
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@ -141,7 +141,7 @@ static const struct genl_ops irda_nl_ops[] = {
};
static struct genl_family irda_nl_family = {
static struct genl_family irda_nl_family __ro_after_init = {
.name = IRDA_NL_NAME,
.hdrsize = 0,
.version = IRDA_NL_VERSION,
@ -151,7 +151,7 @@ static struct genl_family irda_nl_family = {
.n_ops = ARRAY_SIZE(irda_nl_ops),
};
int irda_nl_register(void)
int __init irda_nl_register(void)
{
return genl_register_family(&irda_nl_family);
}