From: Dinghao Liu <dinghao.liu@zju.edu.cn>
Date: Sat, 2 Jan 2021 05:47:55 +0000 (+0800)
Subject: Bluetooth: hci_qca: Fix memleak in qca_controller_memdump
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=71f8e707557b9bc25dc90a59a752528d4e7c1cbf;p=linux.git

Bluetooth: hci_qca: Fix memleak in qca_controller_memdump

When __le32_to_cpu() fails, qca_memdump should be freed
just like when vmalloc() fails.

Fixes: d841502c79e3f ("Bluetooth: hci_qca: Collect controller memory dump during SSR")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---

diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 4a963682c7021..5dbcb7c42b805 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -1024,7 +1024,9 @@ static void qca_controller_memdump(struct work_struct *work)
 			dump_size = __le32_to_cpu(dump->dump_size);
 			if (!(dump_size)) {
 				bt_dev_err(hu->hdev, "Rx invalid memdump size");
+				kfree(qca_memdump);
 				kfree_skb(skb);
+				qca->qca_memdump = NULL;
 				mutex_unlock(&qca->hci_memdump_lock);
 				return;
 			}