[ldv-project] [PATCH] usb: gadget: net2280: fix memory leak on probe error handling paths
Evgeny Novikov
novikov at ispras.ru
Tue Jul 21 23:15:58 MSK 2020
Driver does not release memory for device on error handling paths in
net2280_probe() when gadget_release() is not registered yet.
The patch fixes the bug like in other similar drivers.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Evgeny Novikov <novikov at ispras.ru>
---
drivers/usb/gadget/udc/net2280.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c
index 5eff85eeaa5a..d5fe071b2db2 100644
--- a/drivers/usb/gadget/udc/net2280.c
+++ b/drivers/usb/gadget/udc/net2280.c
@@ -3781,8 +3781,10 @@ static int net2280_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return 0;
done:
- if (dev)
+ if (dev) {
net2280_remove(pdev);
+ kfree(dev);
+ }
return retval;
}
--
2.16.4
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