power: convert to idr_alloc()
Convert to the much saner new idr interface.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Anton Vorontsov <cbou@mail.ru>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/power/ds2782_battery.c b/drivers/power/ds2782_battery.c
index e7301b3..c09e772 100644
--- a/drivers/power/ds2782_battery.c
+++ b/drivers/power/ds2782_battery.c
@@ -395,17 +395,12 @@
}
/* Get an ID for this battery */
- ret = idr_pre_get(&battery_id, GFP_KERNEL);
- if (ret == 0) {
- ret = -ENOMEM;
- goto fail_id;
- }
-
mutex_lock(&battery_lock);
- ret = idr_get_new(&battery_id, client, &num);
+ ret = idr_alloc(&battery_id, client, 0, 0, GFP_KERNEL);
mutex_unlock(&battery_lock);
if (ret < 0)
goto fail_id;
+ num = ret;
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (!info) {