Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933067AbXIUWqz (ORCPT ); Fri, 21 Sep 2007 18:46:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1763985AbXIUWcp (ORCPT ); Fri, 21 Sep 2007 18:32:45 -0400 Received: from ns2.suse.de ([195.135.220.15]:40503 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762338AbXIUWcj (ORCPT ); Fri, 21 Sep 2007 18:32:39 -0400 From: Andi Kleen References: <200709221231.836138000@suse.de> In-Reply-To: <200709221231.836138000@suse.de> To: abh@cray.com, patches@x86-64.org, linux-kernel@vger.kernel.org Subject: [PATCH] [38/50] x86_64: fix off-by-one in find_next_zero_string Message-Id: <20070921223238.450611479D@wotan.suse.de> Date: Sat, 22 Sep 2007 00:32:38 +0200 (CEST) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1002 Lines: 30 From: Andrew Hastings Fix an off-by-one error in find_next_zero_string which prevents allocating the last bit. Signed-off-by: Andrew Hastings on behalf of Cray Inc. Signed-off-by: Andi Kleen --- arch/x86_64/lib/bitstr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: linux/arch/x86_64/lib/bitstr.c =================================================================== --- linux.orig/arch/x86_64/lib/bitstr.c +++ linux/arch/x86_64/lib/bitstr.c @@ -14,7 +14,7 @@ find_next_zero_string(unsigned long *bit /* could test bitsliced, but it's hardly worth it */ end = n+len; - if (end >= nbits) + if (end > nbits) return -1; for (i = n+1; i < end; i++) { if (test_bit(i, bitmap)) { - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/