[PATCH] HID: multitouch: Use the bitmap API to allocate bitmaps

[Christophe JAILLET]

Use bitmap_zalloc()/bitmap_free() instead of hand-writing them.

It is less verbose and it improves the semantic.

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
 drivers/hid/hid-multitouch.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 2e72922e36f5..2b19938e0fb8 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -1300,10 +1300,9 @@ static int mt_touch_input_configured(struct hid_device *hdev,
 	if (td->is_buttonpad)
 		__set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
 
-	app->pending_palm_slots = devm_kcalloc(&hi->input->dev,
-					       BITS_TO_LONGS(td->maxcontacts),
-					       sizeof(long),
-					       GFP_KERNEL);
+	app->pending_palm_slots = devm_bitmap_zalloc(&hi->input->dev,
+						     td->maxcontacts,
+						     GFP_KERNEL);
 	if (!app->pending_palm_slots)
 		return -ENOMEM;
 
-- 
2.34.1