From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Sat, 10 Sep 2016 12:21:22 +0000 (+0000)
Subject: Bluetooth: Use kzalloc instead of kmalloc/memset
X-Git-Tag: v4.9-rc1~127^2~128^2~17
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=3e36ca483a642f441b8e29b4e98091f2c62bfb38;p=linux.git

Bluetooth: Use kzalloc instead of kmalloc/memset

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>
---

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 74179b92ef22..0ac881cfc646 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -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);