From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751847AbaDSLel (ORCPT ); Sat, 19 Apr 2014 07:34:41 -0400 Received: from cn.fujitsu.com ([59.151.112.132]:55869 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751367AbaDSLei (ORCPT ); Sat, 19 Apr 2014 07:34:38 -0400 X-IronPort-AV: E=Sophos;i="4.97,888,1389715200"; d="scan'208";a="29471745" From: Lai Jiangshan To: Tejun Heo , CC: Lai Jiangshan Subject: [PATCH 0/9 V2] idr: fix & cleanup Date: Sat, 19 Apr 2014 19:38:07 +0800 Message-ID: <1397907496-5993-1-git-send-email-laijs@cn.fujitsu.com> X-Mailer: git-send-email 1.7.4.4 In-Reply-To: <1397825404-12039-1-git-send-email-laijs@cn.fujitsu.com> References: <1397825404-12039-1-git-send-email-laijs@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.167.226.103] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Patch1 fix a bug caused by overflow. Patch2,3 add checks for unallocated_id. Patch4 changes to returned error code Patch5-9 cleanup. Lai Jiangshan (9): idr: fix overflow bug during maximum ID calculation at maximum height idr: fix unexpected ID-removal when idr_remove(unallocated_id) **^^also consider ida_remove() idr: fix NULL pointer dereference when ida_remove(unallocated_id) idr: fix idr_replace()'s returned error code idr: covert BUG_ON() to WARN_ON_ONCE() if the argument is invalid. **^^move the test into ida_remove() as tj suggested. idr: avoid ping-pong idr: don't need to shink the free list when idr_remove() **^^split idr: reduce the unneeded check in free_layer() idr: remove useless C-PreProcessor branch **^^new lib/idr.c | 66 +++++++++++++++++++++--------------------------------------- 1 files changed, 23 insertions(+), 43 deletions(-) -- 1.7.4.4