| From 2cc332e4ee4febcbb685e2962ad323fe4b3b750a Mon Sep 17 00:00:00 2001 |
| From: Zqiang <qiang.zhang@windriver.com> |
| Date: Thu, 10 Dec 2020 10:01:48 +0800 |
| Subject: usb: gadget: function: printer: Fix a memory leak for interface descriptor |
| |
| From: Zqiang <qiang.zhang@windriver.com> |
| |
| 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> |
| |
| --- |
| 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 |
| @@ -1120,6 +1120,7 @@ fail_tx_reqs: |
| printer_req_free(dev->in_ep, req); |
| } |
| |
| + usb_free_all_descriptors(f); |
| return ret; |
| |
| } |
