[ldv-project] [PATCH] [media] go7007-loader: fix usb_dev leak

[Alexey Khoroshilov]

There is usb_get_dev() in go7007_loader_probe(),
but there is no usb_put_dev() anywhere.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov at ispras.ru>
---
 drivers/staging/media/go7007/go7007-loader.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/media/go7007/go7007-loader.c b/drivers/staging/media/go7007/go7007-loader.c
index f846ad5819dc..2b15952e4c18 100644
--- a/drivers/staging/media/go7007/go7007-loader.c
+++ b/drivers/staging/media/go7007/go7007-loader.c
@@ -60,7 +60,7 @@ static int go7007_loader_probe(struct usb_interface *interface,
 
 	if (usbdev->descriptor.bNumConfigurations != 1) {
 		dev_err(&interface->dev, "can't handle multiple config\n");
-		return -ENODEV;
+		goto failed2;
 	}
 
 	vendor = le16_to_cpu(usbdev->descriptor.idVendor);
@@ -109,6 +109,7 @@ static int go7007_loader_probe(struct usb_interface *interface,
 	return 0;
 
 failed2:
+	usb_put_dev(usbdev);
 	dev_err(&interface->dev, "probe failed\n");
 	return -ENODEV;
 }
@@ -116,6 +117,7 @@ failed2:
 static void go7007_loader_disconnect(struct usb_interface *interface)
 {
 	dev_info(&interface->dev, "disconnect\n");
+	usb_put_dev(interface_to_usbdev(interface));
 	usb_set_intfdata(interface, NULL);
 }
 
-- 
1.8.3.2