Remove the blink driver

[sfrench/cifs-2.6.git] / kernel / utsname.c

diff --git a/kernel/utsname.c b/kernel/utsname.c
index c859164a699311a10021f37f06c369e34ac4f4d5..160c8c5136bd6a6607ccfae5cfc2e285fe5791c6 100644 (file)
--- a/kernel/utsname.c
+++ b/kernel/utsname.c
@@ -31,59 +31,26 @@ static struct uts_namespace *clone_uts_ns(struct uts_namespace *old_ns)
        return ns;
 }
 
-/*
- * unshare the current process' utsname namespace.
- * called only in sys_unshare()
- */
-int unshare_utsname(unsigned long unshare_flags, struct uts_namespace **new_uts)
-{
-       if (unshare_flags & CLONE_NEWUTS) {
-               if (!capable(CAP_SYS_ADMIN))
-                       return -EPERM;
-
-               *new_uts = clone_uts_ns(current->nsproxy->uts_ns);
-               if (!*new_uts)
-                       return -ENOMEM;
-       }
-
-       return 0;
-}
-
 /*
  * Copy task tsk's utsname namespace, or clone it if flags
  * specifies CLONE_NEWUTS.  In latter case, changes to the
  * utsname of this process won't be seen by parent, and vice
  * versa.
  */
-int copy_utsname(int flags, struct task_struct *tsk)
+struct uts_namespace *copy_utsname(int flags, struct uts_namespace *old_ns)
 {
-       struct uts_namespace *old_ns = tsk->nsproxy->uts_ns;
        struct uts_namespace *new_ns;
-       int err = 0;
-
-       if (!old_ns)
-               return 0;
 
+       BUG_ON(!old_ns);
        get_uts_ns(old_ns);
 
        if (!(flags & CLONE_NEWUTS))
-               return 0;
-
-       if (!capable(CAP_SYS_ADMIN)) {
-               err = -EPERM;
-               goto out;
-       }
+               return old_ns;
 
        new_ns = clone_uts_ns(old_ns);
-       if (!new_ns) {
-               err = -ENOMEM;
-               goto out;
-       }
-       tsk->nsproxy->uts_ns = new_ns;
 
-out:
        put_uts_ns(old_ns);
-       return err;
+       return new_ns;
 }
 
 void free_uts_ns(struct kref *kref)