From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758514Ab3BFT4X (ORCPT ); Wed, 6 Feb 2013 14:56:23 -0500 Received: from mail-ob0-f177.google.com ([209.85.214.177]:65297 "EHLO mail-ob0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030239Ab3BFTvH (ORCPT ); Wed, 6 Feb 2013 14:51:07 -0500 From: Tejun Heo To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, Tejun Heo , Zhang Rui , linux-pm@vger.kernel.org Subject: [PATCH 64/77] thermal: convert to idr_alloc() Date: Wed, 6 Feb 2013 11:40:36 -0800 Message-Id: <1360179649-22465-65-git-send-email-tj@kernel.org> X-Mailer: git-send-email 1.8.1 In-Reply-To: <1360179649-22465-1-git-send-email-tj@kernel.org> References: <1360179649-22465-1-git-send-email-tj@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Convert to the much saner new idr interface. Only compile tested. Signed-off-by: Tejun Heo Cc: Zhang Rui Cc: linux-pm@vger.kernel.org --- drivers/thermal/cpu_cooling.c | 17 +++++------------ drivers/thermal/thermal_sys.c | 17 +++++------------ 2 files changed, 10 insertions(+), 24 deletions(-) diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index 836828e..c33fa53 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -73,21 +73,14 @@ static struct cpufreq_cooling_device *notify_device; */ static int get_idr(struct idr *idr, int *id) { - int err; -again: - if (unlikely(idr_pre_get(idr, GFP_KERNEL) == 0)) - return -ENOMEM; + int ret; mutex_lock(&cooling_cpufreq_lock); - err = idr_get_new(idr, NULL, id); + ret = idr_alloc(idr, NULL, 0, 0, GFP_KERNEL); mutex_unlock(&cooling_cpufreq_lock); - - if (unlikely(err == -EAGAIN)) - goto again; - else if (unlikely(err)) - return err; - - *id = *id & MAX_IDR_MASK; + if (unlikely(ret < 0)) + return ret; + *id = ret; return 0; } diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c index 0a1bf6b..0767193 100644 --- a/drivers/thermal/thermal_sys.c +++ b/drivers/thermal/thermal_sys.c @@ -131,23 +131,16 @@ EXPORT_SYMBOL_GPL(thermal_unregister_governor); static int get_idr(struct idr *idr, struct mutex *lock, int *id) { - int err; - -again: - if (unlikely(idr_pre_get(idr, GFP_KERNEL) == 0)) - return -ENOMEM; + int ret; if (lock) mutex_lock(lock); - err = idr_get_new(idr, NULL, id); + ret = idr_alloc(idr, NULL, 0, 0, GFP_KERNEL); if (lock) mutex_unlock(lock); - if (unlikely(err == -EAGAIN)) - goto again; - else if (unlikely(err)) - return err; - - *id = *id & MAX_IDR_MASK; + if (unlikely(ret < 0)) + return ret; + *id = ret; return 0; } -- 1.8.1