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

From: Alexey Khoroshilov
Date: Fri Dec 20 2013 - 14:17:55 EST


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@xxxxxxxxx>
---
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

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