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Date:   Mon, 17 Oct 2022 11:04:21 +0800
From:   Jiapeng Chong <>
        Jiapeng Chong <>,
        Abaci Robot <>
Subject: [PATCH] net: bluetooth: Use kzalloc instead of kmalloc/memset

Use kzalloc rather than duplicating its implementation, which makes code
simple and easy to understand.

./net/bluetooth/hci_conn.c:2038:6-13: WARNING: kzalloc should be used for cp, instead of kmalloc/memset.

Reported-by: Abaci Robot <>
Signed-off-by: Jiapeng Chong <>
 net/bluetooth/hci_conn.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 5d6ee5075642..495de21d52cd 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -2035,13 +2035,12 @@ int hci_pa_create_sync(struct hci_dev *hdev, bdaddr_t *dst, __u8 dst_type,
 	if (hci_dev_test_and_set_flag(hdev, HCI_PA_SYNC))
 		return -EBUSY;
-	cp = kmalloc(sizeof(*cp), GFP_KERNEL);
+	cp = kzalloc(sizeof(*cp), GFP_KERNEL);
 	if (!cp) {
 		hci_dev_clear_flag(hdev, HCI_PA_SYNC);
 		return -ENOMEM;
-	memset(cp, 0, sizeof(*cp));
 	cp->sid = sid;
 	cp->addr_type = dst_type;
 	bacpy(&cp->addr, dst);

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