lguest: Sanitize the lguest clock.

[linux-2.6-omap-h63xx.git] / kernel / fork.c

diff --git a/kernel/fork.c b/kernel/fork.c
index ca54d9704644ba2d8acaee195c58faab4ace54d3..dd249c37b3a392af26a79142d0238447fee04df2 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -390,7 +390,7 @@ struct mm_struct * mm_alloc(void)
  * is dropped: either by a lazy thread or by
  * mmput. Free the page directory and the mm.
  */
-void fastcall __mmdrop(struct mm_struct *mm)
+void __mmdrop(struct mm_struct *mm)
 {
        BUG_ON(mm == &init_mm);
        mm_free_pgd(mm);
@@ -600,16 +600,16 @@ static struct fs_struct *__copy_fs_struct(struct fs_struct *old)
                rwlock_init(&fs->lock);
                fs->umask = old->umask;
                read_lock(&old->lock);
-               fs->rootmnt = mntget(old->rootmnt);
-               fs->root = dget(old->root);
-               fs->pwdmnt = mntget(old->pwdmnt);
-               fs->pwd = dget(old->pwd);
-               if (old->altroot) {
-                       fs->altrootmnt = mntget(old->altrootmnt);
-                       fs->altroot = dget(old->altroot);
+               fs->root = old->root;
+               path_get(&old->root);
+               fs->pwd = old->pwd;
+               path_get(&old->pwd);
+               if (old->altroot.dentry) {
+                       fs->altroot = old->altroot;
+                       path_get(&old->altroot);
                } else {
-                       fs->altrootmnt = NULL;
-                       fs->altroot = NULL;
+                       fs->altroot.mnt = NULL;
+                       fs->altroot.dentry = NULL;
                }
                read_unlock(&old->lock);
        }
@@ -1488,13 +1488,7 @@ long do_fork(unsigned long clone_flags,
        if (!IS_ERR(p)) {
                struct completion vfork;
 
-               /*
-                * this is enough to call pid_nr_ns here, but this if
-                * improves optimisation of regular fork()
-                */
-               nr = (clone_flags & CLONE_NEWPID) ?
-                       task_pid_nr_ns(p, current->nsproxy->pid_ns) :
-                               task_pid_vnr(p);
+               nr = task_pid_vnr(p);
 
                if (clone_flags & CLONE_PARENT_SETTID)
                        put_user(nr, parent_tidptr);