diff options
| author | Tejun Heo <tj@kernel.org> | 2013-02-27 17:04:46 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-27 19:10:19 -0800 |
| commit | 6deb69facebb2f9a2b15a8e5e33ab00ebc7c44cb (patch) | |
| tree | 4f23dc9cea95c526ef23c28e895379a19197e3b8 /drivers/thermal | |
| parent | ab51603672a335d325963ca410d9c527d9f834f7 (diff) | |
thermal: convert to idr_alloc()
Convert to the much saner new idr interface.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/cpu_cooling.c | 17 | ||||
| -rw-r--r-- | 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; } |