struct user_struct *user; /* real user ID subscription */
struct user_namespace *user_ns; /* user_ns the caps and keyrings are relative to. */
struct group_info *group_info; /* supplementary groups for euid/fsgid */
- struct rcu_head rcu; /* RCU deletion hook */
+ /* RCU deletion */
+ union {
+ int non_rcu; /* Can we skip RCU deletion? */
+ struct rcu_head rcu; /* RCU deletion hook */
+ };
} __randomize_layout;
extern void __put_cred(struct cred *);
if (!cred)
return cred;
validate_creds(cred);
+ nonconst_cred->non_rcu = 0;
return get_new_cred(nonconst_cred);
}
if (!atomic_inc_not_zero(&nonconst_cred->usage))
return NULL;
validate_creds(cred);
+ nonconst_cred->non_rcu = 0;
return cred;
}