Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=78d832f62643ac6209beccbfb29228314423935e
Commit: 78d832f62643ac6209beccbfb29228314423935e
Parent: 62b3e920ed7612f318126f9c9b37c6a8dcd4199e
Author: Serge E. Hallyn <[EMAIL PROTECTED]>
AuthorDate: Mon Mar 26 21:32:22 2007 -0800
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Tue Mar 27 09:05:15 2007 -0700
[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 <[EMAIL PROTECTED]>
Cc: "Eric W. Biederman" <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
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 a4555fe..e10267d 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)
-
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