Bluetooth: Use kzalloc instead of kmalloc/memset
authorWei Yongjun <weiyongjun1@huawei.com>
Sat, 10 Sep 2016 12:21:22 +0000 (12:21 +0000)
committerMarcel Holtmann <marcel@holtmann.org>
Mon, 19 Sep 2016 18:19:34 +0000 (20:19 +0200)
Use kzalloc rather than kmalloc followed by memset with 0.

Generated by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
net/bluetooth/mgmt.c

index 74179b9..0ac881c 100644 (file)
@@ -902,12 +902,10 @@ static int read_ext_controller_info(struct sock *sk, struct hci_dev *hdev,
        eir_len = eir_append_data(buff, eir_len, EIR_NAME_SHORT,
                                  hdev->short_name, name_len);
 
-       rp = kmalloc(sizeof(*rp) + eir_len, GFP_KERNEL);
+       rp = kzalloc(sizeof(*rp) + eir_len, GFP_KERNEL);
        if (!rp)
                return -ENOMEM;
 
-       memset(rp, 0, sizeof(*rp) + eir_len);
-
        rp->eir_len = cpu_to_le16(eir_len);
        memcpy(rp->eir, buff, eir_len);