[PATCH][next] Bluetooth: hci_conn: Use struct_size() in hci_le_big_create_sync()

From: Gustavo A. R. Silva
Date: Wed May 01 2024 - 14:09:42 EST


Use struct_size() instead of the open-coded version. Similarly to
this other patch[1].

Link: https://lore.kernel.org/linux-hardening/ZiwwPmCvU25YzWek@neat/ [1]
Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>
---
net/bluetooth/hci_conn.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index d6daf55f0307..c508609be105 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -2135,7 +2135,7 @@ int hci_le_big_create_sync(struct hci_dev *hdev, struct hci_conn *hcon,
memcpy(pdu->bis, bis, num_bis);

return hci_send_cmd(hdev, HCI_OP_LE_BIG_CREATE_SYNC,
- sizeof(*pdu) + num_bis, pdu);
+ struct_size(pdu, bis, num_bis), pdu);
}

static void create_big_complete(struct hci_dev *hdev, void *data, int err)
--
2.34.1