From 725675bcaa4e89d997052e6c8b8207cde2c3dbb1 Mon Sep 17 00:00:00 2001 From: Zqiang Date: Thu, 10 Dec 2020 10:01:48 +0800 Subject: usb: gadget: function: printer: Fix a memory leak for interface descriptor 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 Cc: Signed-off-by: Zqiang Link: https://lore.kernel.org/r/20201210020148.6691-1-qiang.zhang@windriver.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/function/f_printer.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c index 7b21ef09fffc..8e32b41fc129 100644 --- a/drivers/usb/gadget/function/f_printer.c +++ b/drivers/usb/gadget/function/f_printer.c @@ -1116,6 +1116,7 @@ fail_tx_reqs: printer_req_free(dev->in_ep, req); } + usb_free_all_descriptors(f); return ret; } -- cgit v1.2.3