From: Zqiang <qiang.zhang@xxxxxxxxxxxxx> commit 2cc332e4ee4febcbb685e2962ad323fe4b3b750a upstream. When printer driver is loaded, the printer_func_bind function is called, in this function, the interface descriptor be allocated memory, if after that, the error occurred, the interface descriptor memory need to be free. Reviewed-by: Peter Chen <peter.chen@xxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> Signed-off-by: Zqiang <qiang.zhang@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20201210020148.6691-1-qiang.zhang@xxxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/gadget/function/f_printer.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/usb/gadget/function/f_printer.c +++ b/drivers/usb/gadget/function/f_printer.c @@ -1126,6 +1126,7 @@ fail_tx_reqs: printer_req_free(dev->in_ep, req); } + usb_free_all_descriptors(f); return ret; }
