From: qiang.zhang@windriver.com
To: balbi@kernel.org
Cc: gregkh@linuxfoundation.org, peter.chen@nxp.com,
linux-usb@vger.kernel.org
Subject: [PATCH v2] usb: gadget: function: printer: Fix a memory leak for interface descriptor
Date: Thu, 10 Dec 2020 10:01:48 +0800 [thread overview]
Message-ID: <20201210020148.6691-1-qiang.zhang@windriver.com> (raw)
From: Zqiang <qiang.zhang@windriver.com>
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>
---
v1->v2:
Modify description information and add tags.
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 64a4112068fc..2f1eb2e81d30 100644
--- a/drivers/usb/gadget/function/f_printer.c
+++ b/drivers/usb/gadget/function/f_printer.c
@@ -1162,6 +1162,7 @@ static int printer_func_bind(struct usb_configuration *c,
printer_req_free(dev->in_ep, req);
}
+ usb_free_all_descriptors(f);
return ret;
}
--
2.17.1
reply other threads:[~2020-12-10 2:03 UTC|newest]
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