| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 34/45] usb: gadget: function: printer: Fix a memory leak for interface descriptor | Date | Mon, 11 Jan 2021 14:01:12 +0100 |
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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; }
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