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/cciss.c b/drivers/block/cciss.c
index cf6083a..e539be5 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -425,7 +425,7 @@
 	struct proc_dir_entry *pde;
 
 	if (proc_cciss == NULL)
-		proc_cciss = proc_mkdir("cciss", proc_root_driver);
+		proc_cciss = proc_mkdir("driver/cciss", NULL);
 	if (!proc_cciss)
 		return;
 	pde = proc_create(hba[i]->devname, S_IWUSR | S_IRUSR | S_IRGRP |
@@ -3700,7 +3700,7 @@
 			cciss_remove_one(hba[i]->pdev);
 		}
 	}
-	remove_proc_entry("cciss", proc_root_driver);
+	remove_proc_entry("driver/cciss", NULL);
 }
 
 static void fail_all_cmds(unsigned long ctlr)