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path: root/drivers/thermal/cpu_cooling.c
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Diffstat (limited to 'drivers/thermal/cpu_cooling.c')
-rw-r--r--drivers/thermal/cpu_cooling.c17
1 files changed, 5 insertions, 12 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;
}