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| author | Serge E. Hallyn <serue@us.ibm.com> | 2007-03-26 21:32:31 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-27 09:05:16 -0700 |
| commit | a28d193cbf01375974683c13e99a52ef489e5eb0 (patch) | |
| tree | d252eeefa13627847f87f2a72a5cdfd3d3484973 /include/linux/ipc.h | |
| parent | d1985ad1da28eac507d855af8099f6010c51b167 (diff) | |
| download | linux-a28d193cbf01375974683c13e99a52ef489e5eb0.tar.gz linux-a28d193cbf01375974683c13e99a52ef489e5eb0.tar.bz2 linux-a28d193cbf01375974683c13e99a52ef489e5eb0.zip | |
[PATCH] ipcns: fix !CONFIG_IPC_NS behavior
When CONFIG_IPC_NS=n, clone(CLONE_NEWIPC) claims success, but did not actually
clone a new IPC namespace.
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/ipc.h')
| -rw-r--r-- | include/linux/ipc.h | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/include/linux/ipc.h b/include/linux/ipc.h index 636094c29b16..6da6772c19ff 100644 --- a/include/linux/ipc.h +++ b/include/linux/ipc.h @@ -92,19 +92,16 @@ extern struct ipc_namespace init_ipc_ns; #ifdef CONFIG_SYSVIPC #define INIT_IPC_NS(ns) .ns = &init_ipc_ns, +extern int copy_ipcs(unsigned long flags, struct task_struct *tsk); #else #define INIT_IPC_NS(ns) +static inline int copy_ipcs(unsigned long flags, struct task_struct *tsk) +{ return 0; } #endif #ifdef CONFIG_IPC_NS extern void free_ipc_ns(struct kref *kref); -extern int copy_ipcs(unsigned long flags, struct task_struct *tsk); extern int unshare_ipcs(unsigned long flags, struct ipc_namespace **ns); -#else -static inline int copy_ipcs(unsigned long flags, struct task_struct *tsk) -{ - return 0; -} #endif static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns) |