[Bluetooth] Remaining transitions to use kzalloc()

This patch makes the remaining transitions to use kzalloc().

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index b9c24a5..c6e3a2c 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -582,10 +582,9 @@
 			bacmp(&bt_sk(ctrl_sock->sk)->dst, &bt_sk(intr_sock->sk)->dst))
 		return -ENOTUNIQ;
 
-	session = kmalloc(sizeof(struct hidp_session), GFP_KERNEL);
+	session = kzalloc(sizeof(struct hidp_session), GFP_KERNEL);
 	if (!session)
 		return -ENOMEM;
-	memset(session, 0, sizeof(struct hidp_session));
 
 	session->input = input_allocate_device();
 	if (!session->input) {