usb: dwc2: Fix memory leak in dwc2_hcd_init

commit 3755278f078460b021cd0384562977bf2039a57a upstream.

usb_create_hcd will alloc memory for hcd, and we should
call usb_put_hcd to free it when platform_get_resource()
fails to prevent memory leak.
goto error2 label instead error1 to fix this.

Fixes: 856e6e8e0f93 ("usb: dwc2: check return value after calling platform_get_resource()")
Cc: stable <stable@kernel.org>
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220530085413.44068-1-linmq006@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 657dbd5..8232269 100644 (file)
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -5194,7 +5194,7 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg)
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        if (!res) {
                retval = -EINVAL;
-               goto error1;
+               goto error2;
        }
        hcd->rsrc_start = res->start;
        hcd->rsrc_len = resource_size(res);