Quoting Eric W. Beiderman (ebiederm@xxxxxxxxxxxx):
> From: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
>
> These function are no longer needed replace them with their more useful equivalents.
>
> Signed-off-by: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
Acked-by: Serge Hallyn <serge.hallyn@xxxxxxxxxxxxx>
> ---
> include/linux/user_namespace.h | 12 ------------
> ipc/mqueue.c | 3 +--
> kernel/signal.c | 2 +-
> net/core/sock.c | 4 ++--
> 4 files changed, 4 insertions(+), 17 deletions(-)
>
> diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
> index a2c6145..4e72922 100644
> --- a/include/linux/user_namespace.h
> +++ b/include/linux/user_namespace.h
> @@ -69,16 +69,4 @@ static inline void put_user_ns(struct user_namespace *ns)
>
> #endif
>
> -static inline uid_t user_ns_map_uid(struct user_namespace *to,
> - const struct cred *cred, kuid_t uid)
> -{
> - return from_kuid_munged(to, uid);
> -}
> -
> -static inline gid_t user_ns_map_gid(struct user_namespace *to,
> - const struct cred *cred, kgid_t gid)
> -{
> - return from_kgid_munged(to, gid);
> -}
> -
> #endif /* _LINUX_USER_H */
> diff --git a/ipc/mqueue.c b/ipc/mqueue.c
> index b53cf34..b6a0d46 100644
> --- a/ipc/mqueue.c
> +++ b/ipc/mqueue.c
> @@ -538,8 +538,7 @@ static void __do_notify(struct mqueue_inode_info *info)
> rcu_read_lock();
> sig_i.si_pid = task_tgid_nr_ns(current,
> ns_of_pid(info->notify_owner));
> - sig_i.si_uid = user_ns_map_uid(info->notify_user_ns,
> - current_cred(), current_uid());
> + sig_i.si_uid = from_kuid_munged(info->notify_user_ns, current_uid());
> rcu_read_unlock();
>
> kill_pid_info(info->notify.sigev_signo,
> diff --git a/kernel/signal.c b/kernel/signal.c
> index 2734dc9..d630327 100644
> --- a/kernel/signal.c
> +++ b/kernel/signal.c
> @@ -1026,7 +1026,7 @@ static inline int legacy_queue(struct sigpending *signals, int sig)
> static inline uid_t map_cred_ns(const struct cred *cred,
> struct user_namespace *ns)
> {
> - return user_ns_map_uid(ns, cred, cred->uid);
> + return from_kuid_munged(ns, cred->uid);
> }
>
> #ifdef CONFIG_USER_NS
> diff --git a/net/core/sock.c b/net/core/sock.c
> index b2e14c0..e1ec8ba 100644
> --- a/net/core/sock.c
> +++ b/net/core/sock.c
> @@ -821,8 +821,8 @@ void cred_to_ucred(struct pid *pid, const struct cred *cred,
> if (cred) {
> struct user_namespace *current_ns = current_user_ns();
>
> - ucred->uid = user_ns_map_uid(current_ns, cred, cred->euid);
> - ucred->gid = user_ns_map_gid(current_ns, cred, cred->egid);
> + ucred->uid = from_kuid(current_ns, cred->euid);
> + ucred->gid = from_kgid(current_ns, cred->egid);
> }
> }
> EXPORT_SYMBOL_GPL(cred_to_ucred);
> --
> 1.7.2.5
>
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