From: Yang Yingliang Date: Thu, 17 Nov 2022 07:06:36 +0000 (+0800) Subject: firmware: raspberrypi: fix possible memory leak in rpi_firmware_probe() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=7b51161696e803fd5f9ad55b20a64c2df313f95c;p=linux.git firmware: raspberrypi: fix possible memory leak in rpi_firmware_probe() In rpi_firmware_probe(), if mbox_request_channel() fails, the 'fw' will not be freed through rpi_firmware_delete(), fix this leak by calling kfree() in the error path. Fixes: 1e7c57355a3b ("firmware: raspberrypi: Keep count of all consumers") Signed-off-by: Yang Yingliang Link: https://lore.kernel.org/r/20221117070636.3849773-1-yangyingliang@huawei.com Acked-by: Joel Savitz Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c index 4b8978b254f9a..dba315f675bc7 100644 --- a/drivers/firmware/raspberrypi.c +++ b/drivers/firmware/raspberrypi.c @@ -272,6 +272,7 @@ static int rpi_firmware_probe(struct platform_device *pdev) int ret = PTR_ERR(fw->chan); if (ret != -EPROBE_DEFER) dev_err(dev, "Failed to get mbox channel: %d\n", ret); + kfree(fw); return ret; }