Messages in this thread Patch in this message | | | Date | Thu, 14 Sep 2006 17:36:59 +0200 | From | Cedric Le Goater <> | Subject | [patch -mm] utsname namespace : fix unshare when CONFIG_UTS_NS is not set |
| |
If the kernel is not configured with the CONFIG_UTS_NS, unshare of ipc namespace will fail and return -EINVAL.
The patch changes the dummy unshare_utsname() to check the clone flags before returning.
Signed-off-by: Cedric Le Goater <clg@fr.ibm.com> Cc: Andrew Morton <akpm@osdl.org> Cc: Serge E. Hallyn <serue@us.ibm.com> Cc: Linux Containers <containers@lists.osdl.org>
--- include/linux/utsname.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
Index: 2.6.18-rc6-mm2/include/linux/utsname.h =================================================================== --- 2.6.18-rc6-mm2.orig/include/linux/utsname.h +++ 2.6.18-rc6-mm2/include/linux/utsname.h @@ -60,8 +60,12 @@ static inline void put_uts_ns(struct uts static inline int unshare_utsname(unsigned long unshare_flags, struct uts_namespace **new_uts) { - return -EINVAL; + if (unshare_flags & CLONE_NEWUTS) + return -EINVAL; + + return 0; } + static inline int copy_utsname(int flags, struct task_struct *tsk) { return 0; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |