The patch below does not apply to the 5.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y git checkout FETCH_HEAD git cherry-pick -x 40d442f969fb1e871da6fca73d3f8aef1f888558 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable@xxxxxxxxxxxxxxx>' --in-reply-to '2024051320-majority-visiting-2bf1@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^.. Possible dependencies: 40d442f969fb ("Bluetooth: qca: fix firmware check error path") 2e4edfa1e2bd ("Bluetooth: qca: add missing firmware sanity checks") ecf6b2d95666 ("Bluetooth: btqca: Add support for firmware image with mbn type for WCN6750") d8f97da1b92d ("Bluetooth: hci_qca: Add support for QTI Bluetooth chip wcn6750") b43ca511178e ("Bluetooth: btqca: Don't modify firmware contents in-place") c1a74160eaf1 ("Bluetooth: hci_qca: Add device_may_wakeup support") eaf19b0c47d1 ("Bluetooth: btqca: Enable MSFT extension for Qualcomm WCN399x") c0187b0bd3e9 ("Bluetooth: btqca: Add support to read FW build version for WCN3991 BTSoC") 99719449a4a6 ("Bluetooth: hci_qca: resolve various warnings") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 40d442f969fb1e871da6fca73d3f8aef1f888558 Mon Sep 17 00:00:00 2001 From: Johan Hovold <johan+linaro@xxxxxxxxxx> Date: Wed, 1 May 2024 08:37:40 +0200 Subject: [PATCH] Bluetooth: qca: fix firmware check error path A recent commit fixed the code that parses the firmware files before downloading them to the controller but introduced a memory leak in case the sanity checks ever fail. Make sure to free the firmware buffer before returning on errors. Fixes: f905ae0be4b7 ("Bluetooth: qca: add missing firmware sanity checks") Cc: stable@xxxxxxxxxxxxxxx # 4.19 Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx> diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c index 8d8a664620a3..638074992c82 100644 --- a/drivers/bluetooth/btqca.c +++ b/drivers/bluetooth/btqca.c @@ -605,7 +605,7 @@ static int qca_download_firmware(struct hci_dev *hdev, ret = qca_tlv_check_data(hdev, config, data, size, soc_type); if (ret) - return ret; + goto out; segment = data; remain = size;
