proc: remove proc_root_driver

Use creation by full path: "driver/foo".

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 18feb1c..0431e59 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -3101,7 +3101,7 @@
 		goto out_misc;
 	}
 
-	pkt_proc = proc_mkdir(DRIVER_NAME, proc_root_driver);
+	pkt_proc = proc_mkdir("driver/"DRIVER_NAME, NULL);
 
 	return 0;
 
@@ -3117,7 +3117,7 @@
 
 static void __exit pkt_exit(void)
 {
-	remove_proc_entry(DRIVER_NAME, proc_root_driver);
+	remove_proc_entry("driver/"DRIVER_NAME, NULL);
 	misc_deregister(&pkt_misc);
 
 	pkt_debugfs_cleanup();