[PATCH] Bluetooth: Fix get device flags command returns garbage parameter
From: Tedd Ho-Jeong An <hidden>
Date: 2021-05-26 00:28:48
Subsystem:
bluetooth subsystem, the rest · Maintainers:
Marcel Holtmann, Luiz Augusto von Dentz, Linus Torvalds
From: Tedd Ho-Jeong An <redacted> This patch memset the response parameter so it doesn't return the garbage value when the Get Device Flags command fails. Signed-off-by: Tedd Ho-Jeong An <redacted> --- net/bluetooth/mgmt.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index b44e19c69c44..91d36c3bf23e 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c@@ -4061,6 +4061,8 @@ static int get_device_flags(struct sock *sk, struct hci_dev *hdev, void *data, hci_dev_lock(hdev); + memset(&rp, 0, sizeof(rp)); + if (cp->addr.type == BDADDR_BREDR) { br_params = hci_bdaddr_list_lookup_with_flags(&hdev->whitelist, &cp->addr.bdaddr,
--
2.26.3