[PATCH 4.9 082/148] usb: gadget: configs: plug memory leak

Greg Kroah-Hartman
2017-12-12T12:58:34Z

From: John Keeping <john@metanate.com>

[ 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@metanate.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/configfs.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -269,6 +269,7 @@ static ssize_t gadget_dev_desc_UDC_store
ret = unregister_gadget(gi);
if (ret)
goto err;
+ kfree(name);
} else {
if (gi->composite.gadget_driver.udc_name) {
ret = -EBUSY;