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Date: Sat, 2 Jan 2021 13:47:55 +0800 From: Dinghao Liu <dinghao.liu@....edu.cn> To: dinghao.liu@....edu.cn, kjlu@....edu Cc: Marcel Holtmann <marcel@...tmann.org>, Johan Hedberg <johan.hedberg@...il.com>, Luiz Augusto von Dentz <luiz.dentz@...il.com>, Venkata Lakshmi Narayana Gubba <gubbaven@...eaurora.org>, Balakrishna Godavarthi <bgodavar@...eaurora.org>, linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH] 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@....edu.cn> --- drivers/bluetooth/hci_qca.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 4a963682c702..5dbcb7c42b80 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; } -- 2.17.1
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