Use the shorter variant as suggested by checkpatch.pl:

  CHECK: Prefer kzalloc(sizeof(*buf)...) over kzalloc(sizeof(struct dualsense_output_report_bt)...)

This also improves further maintainability.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
---
 drivers/hid/hid-playstation.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/hid-playstation.c b/drivers/hid/hid-playstation.c
index 0671ca39dcf3d9c5cbddad7e46b2da13417a952e..937b14679c8b17c5d3d245eae1cc4e0e56dadb71 100644
--- a/drivers/hid/hid-playstation.c
+++ b/drivers/hid/hid-playstation.c
@@ -1532,9 +1532,9 @@ static void dualsense_remove(struct ps_device *ps_dev)
 static int dualsense_reset_leds(struct dualsense *ds)
 {
 	struct dualsense_output_report report;
-	u8 *buf;
+	struct dualsense_output_report_bt *buf;
 
-	buf = kzalloc(sizeof(struct dualsense_output_report_bt), GFP_KERNEL);
+	buf = kzalloc(sizeof(*buf), GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
 

-- 
2.49.0