update_to_newest_parent

Name:Update to newest version of parent after previous replacements* Returns: unrefcount newest version of parent

Proto:static struct aa_profile *update_to_newest_parent(struct aa_profile *new)

Type:struct aa_profile

Parameter:

Type	Parameter	Name
struct aa_profile *	new

828

parent = cu_dereference_protected() - fetch RCU pointer when updates prevented*@p: The pointer to read, prior to dereferencing*@c: The conditions under which the dereference will take place* Return the value of the specified RCU-protected pointer, but omit(parent, mutex_is_locked( & lock))

830

newest = aa_get_newest_profile - simple wrapper fn to wrap the label version*@p: profile (NOT NULL)* Returns refcount to newest version of the profile (maybe @p)* Requires: @p must be held with a valid refcount

833

If newest != parent Then

834

aa_put_profile - decrement refcount on profile @p*@p: profile (MAYBE NULL)

835

cu_assign_pointer() - assign to RCU-protected pointer*@p: pointer to assign to*@v: value to assign (publish)* Assigns the specified value to the specified RCU-protected* pointer, ensuring that any concurrent RCU readers will see* any prior initialization(parent, newest)

836

Else aa_put_profile - decrement refcount on profile @p*@p: profile (MAYBE NULL)

839

Return newest

**Caller**
Name	Describe
aa_replace_profiles	aa_replace_profiles - replace profile(s) on the profile list@policy_ns: namespace load is occurring on@label: label that is attempting to load/replace policy@mask: permission mask@udata: serialized data stream (NOT NULL)* unpack and replace a profile

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