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| author | Serge E. Hallyn <serge@hallyn.com> | 2011-03-23 16:43:18 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-23 19:47:03 -0700 |
| commit | bb96a6f50be27390dc959ff67d9ea0ea0cfbe177 (patch) | |
| tree | 478253434235baeb1e4760a25c0a0f01293fbb8a /include/linux/utsname.h | |
| parent | 3486740a4f32a6a466f5ac931654d154790ba648 (diff) | |
| download | linux-next-bb96a6f50be27390dc959ff67d9ea0ea0cfbe177.tar.gz | |
userns: allow sethostname in a container
Changelog:
Feb 23: let clone_uts_ns() handle setting uts->user_ns
To do so we need to pass in the task_struct who'll
get the utsname, so we can get its user_ns.
Feb 23: As per Oleg's coment, just pass in tsk, instead of two
of its members.
Signed-off-by: Serge E. Hallyn <serge.hallyn@canonical.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Daniel Lezcano <daniel.lezcano@free.fr>
Acked-by: David Howells <dhowells@redhat.com>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/utsname.h')
| -rw-r--r-- | include/linux/utsname.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/utsname.h b/include/linux/utsname.h index 2c3c0f543705..4e5b0213fdc1 100644 --- a/include/linux/utsname.h +++ b/include/linux/utsname.h @@ -54,7 +54,7 @@ static inline void get_uts_ns(struct uts_namespace *ns) } extern struct uts_namespace *copy_utsname(unsigned long flags, - struct uts_namespace *ns); + struct task_struct *tsk); extern void free_uts_ns(struct kref *kref); static inline void put_uts_ns(struct uts_namespace *ns) @@ -71,12 +71,12 @@ static inline void put_uts_ns(struct uts_namespace *ns) } static inline struct uts_namespace *copy_utsname(unsigned long flags, - struct uts_namespace *ns) + struct task_struct *tsk) { if (flags & CLONE_NEWUTS) return ERR_PTR(-EINVAL); - return ns; + return tsk->nsproxy->uts_ns; } #endif |