From: Jiajia Liu <liujiajia@kylinos.cn>
Date: Mon, 18 May 2026 02:24:02 +0000 (+0800)
Subject: Bluetooth: btmtk: fix urb->setup_packet leak in error paths
X-Git-Tag: v7.1-rc5~40^2~33^2~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dd1dda6b8d6e1f4376a5b3055a04f0ecbdb4d6bd;p=thirdparty%2Flinux.git

Bluetooth: btmtk: fix urb->setup_packet leak in error paths

The setup_packet of control urb is not freed if usb_submit_urb fails or
the submitted urb is killed. Add free in these two paths.

Fixes: a1c49c434e150 ("Bluetooth: btusb: Add protocol support for MediaTek MT7668U USB devices")
Signed-off-by: Jiajia Liu <liujiajia@kylinos.cn>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---

diff --git a/drivers/bluetooth/btmtk.c b/drivers/bluetooth/btmtk.c
index a29f72216c345..8ff66b276af03 100644
--- a/drivers/bluetooth/btmtk.c
+++ b/drivers/bluetooth/btmtk.c
@@ -537,6 +537,7 @@ static void btmtk_usb_wmt_recv(struct urb *urb)
 		return;
 	} else if (urb->status == -ENOENT) {
 		/* Avoid suspend failed when usb_kill_urb */
+		kfree(urb->setup_packet);
 		return;
 	}
 
@@ -610,6 +611,7 @@ static int btmtk_usb_submit_wmt_recv_urb(struct hci_dev *hdev)
 		if (err != -EPERM && err != -ENODEV)
 			bt_dev_err(hdev, "urb %p submission failed (%d)",
 				   urb, -err);
+		kfree(dr);
 		usb_unanchor_urb(urb);
 	}