[PATCH 4.4 049/105] usb: gadget: configs: plug memory leak

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4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: John Keeping <john@xxxxxxxxxxxx>


[ Upstream commit 38355b2a44776c25b0f2ad466e8c51bb805b3032 ]

When binding a gadget to a device, "name" is stored in gi->udc_name, but
this does not happen when unregistering and the string is leaked.

Signed-off-by: John Keeping <john@xxxxxxxxxxxx>
Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/usb/gadget/configfs.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -270,6 +270,7 @@ static ssize_t gadget_dev_desc_UDC_store
 		ret = unregister_gadget(gi);
 		if (ret)
 			goto err;
+		kfree(name);
 	} else {
 		if (gi->udc_name) {
 			ret = -EBUSY;





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