From: Alexey Khoroshilov <khoroshilov@ispras.ru>
To: Felipe Balbi <balbi@kernel.org>
Cc: Alexey Khoroshilov <khoroshilov@ispras.ru>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Bjorn Helgaas <bhelgaas@google.com>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
ldv-project@linuxtesting.org
Subject: [PATCH] usb: gadget: goku_udc: fix memory leak in goku_probe()
Date: Fri, 26 Aug 2016 03:06:02 +0300 [thread overview]
Message-ID: <1472169962-11714-1-git-send-email-khoroshilov@ispras.ru> (raw)
Memory allocated for goku_udc device is not deallocated at error
paths in goku_probe(), because gadget_release() destructor
is not registered yet.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
---
drivers/usb/gadget/udc/goku_udc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/gadget/udc/goku_udc.c b/drivers/usb/gadget/udc/goku_udc.c
index d2205d9e0c8b..8b290c128d97 100644
--- a/drivers/usb/gadget/udc/goku_udc.c
+++ b/drivers/usb/gadget/udc/goku_udc.c
@@ -1839,6 +1839,8 @@ static int goku_probe(struct pci_dev *pdev, const struct pci_device_id *id)
err:
if (dev)
goku_remove (pdev);
+ /* gadget_release is not registered yet, kfree explicitly */
+ kfree(dev);
return retval;
}
--
2.7.4
reply other threads:[~2016-08-26 0:18 UTC|newest]
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