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| author | Serge E. Hallyn <serue@us.ibm.com> | 2007-03-26 21:32:22 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-27 09:05:15 -0700 |
| commit | 78d832f62643ac6209beccbfb29228314423935e (patch) | |
| tree | 07f438ab6e780f39adf8c98d8f0d2f36b9c9ebc4 /include/linux/utsname.h | |
| parent | 62b3e920ed7612f318126f9c9b37c6a8dcd4199e (diff) | |
| download | linux-stable-78d832f62643ac6209beccbfb29228314423935e.tar.gz linux-stable-78d832f62643ac6209beccbfb29228314423935e.tar.bz2 linux-stable-78d832f62643ac6209beccbfb29228314423935e.zip | |
[PATCH] utsns: fix !CONFIG_UTS_NS behavior
When CONFIG_UTS_NS=n, clone(CLONE_NEWUTS) quietly refuses. So correctly does
not unshare a new uts namespace, but also does not return -EINVAL.
Fix this to return -EINVAL so the caller knows his request was denied.
Signed-off-by: Serge E. Hallyn <serue@us.ibm.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
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 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/utsname.h b/include/linux/utsname.h index a4555fe3754c..e10267d402c5 100644 --- a/include/linux/utsname.h +++ b/include/linux/utsname.h @@ -70,6 +70,8 @@ static inline int unshare_utsname(unsigned long unshare_flags, static inline int copy_utsname(int flags, struct task_struct *tsk) { + if (flags & CLONE_NEWUTS) + return -EINVAL; return 0; } static inline void put_uts_ns(struct uts_namespace *ns) |