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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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2
drivers/target/target_core_user.c
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@ -147,7 +147,7 @@ static const struct genl_multicast_group tcmu_mcgrps[] = {
};
/* Our generic netlink family */
static struct genl_family tcmu_genl_family = {
static struct genl_family tcmu_genl_family __ro_after_init = {
.module = THIS_MODULE,
.hdrsize = 0,
.name = "TCM-USER",