linux-kernel - [PATCH] idr_remove_all: kill unused variable

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Message-ID: <20070720163606.GA2672@tv-sign.ru>
Date:	Fri, 20 Jul 2007 20:36:06 +0400
From:	Oleg Nesterov <oleg@...sign.ru>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Kristian Hoegsberg <krh@...hat.com>, linux-kernel@...r.kernel.org
Subject: [PATCH] idr_remove_all: kill unused variable

"error" is always equal to 0.

Signed-off-by: Oleg Nesterov <oleg@...sign.ru>

--- t/lib/idr.c~	2007-07-20 20:18:09.000000000 +0400
+++ t/lib/idr.c	2007-07-20 20:19:27.000000000 +0400
@@ -405,7 +405,7 @@ EXPORT_SYMBOL(idr_remove);
  */
 void idr_remove_all(struct idr *idp)
 {
-	int n, id, max, error = 0;
+	int n, id, max;
 	struct idr_layer *p;
 	struct idr_layer *pa[MAX_LEVEL];
 	struct idr_layer **paa = &pa[0];
@@ -415,7 +415,7 @@ void idr_remove_all(struct idr *idp)
 	max = 1 << n;
 
 	id = 0;
-	while (id < max && !error) {
+	while (id < max) {
 		while (n > IDR_BITS && p) {
 			n -= IDR_BITS;
 			*paa++ = p;

-
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