Commit 725675bc authored Dec 10, 2020 by Zqiang Committed by Greg Kroah-Hartman Jan 12, 2021

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 <peter.chen@nxp.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Zqiang <qiang.zhang@windriver.com>
Link: https://lore.kernel.org/r/20201210020148.6691-1-qiang.zhang@windriver.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent f6acfff9

drivers/usb/gadget/function/f_printer.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1116,6 +1116,7 @@ fail_tx_reqs:
		printer_req_free(dev->in_ep, req);
		}

		usb_free_all_descriptors(f);
		return ret;

		}