From 6deb69facebb2f9a2b15a8e5e33ab00ebc7c44cb Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 27 Feb 2013 17:04:46 -0800 Subject: [PATCH] thermal: convert to idr_alloc() Convert to the much saner new idr interface. Signed-off-by: Tejun Heo Cc: Zhang Rui Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- 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 836828e29a87..c33fa5315d6b 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 8c8ce806180f..84e95f32cdb6 100644 --- a/drivers/thermal/thermal_sys.c +++ b/drivers/thermal/thermal_sys.c @@ -132,23 +132,16 @@ 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; }