Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks...
[pandora-kernel.git] / fs / namespace.c
index 50ee303..6d3a196 100644 (file)
@@ -2493,6 +2493,7 @@ EXPORT_SYMBOL(create_mnt_ns);
 struct dentry *mount_subtree(struct vfsmount *mnt, const char *name)
 {
        struct mnt_namespace *ns;
+       struct super_block *s;
        struct path path;
        int err;
 
@@ -2509,10 +2510,11 @@ struct dentry *mount_subtree(struct vfsmount *mnt, const char *name)
                return ERR_PTR(err);
 
        /* trade a vfsmount reference for active sb one */
-       atomic_inc(&path.mnt->mnt_sb->s_active);
+       s = path.mnt->mnt_sb;
+       atomic_inc(&s->s_active);
        mntput(path.mnt);
        /* lock the sucker */
-       down_write(&path.mnt->mnt_sb->s_umount);
+       down_write(&s->s_umount);
        /* ... and return the root of (sub)tree on it */
        return path.dentry;
 }