media: au0828: fix unbalanced lock/unlock in au0828_usb_probe

Call mutex_unlock and free dev on failure.

Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

diff --git a/drivers/media/usb/au0828/au0828-core.c b/drivers/media/usb/au0828/au0828-core.c
index 739df61cec4f7049a838d27d6c80b4d7ec682040..cd363a2100d453c6b5be15b35430907acd44cdde 100644 (file)
--- a/drivers/media/usb/au0828/au0828-core.c
+++ b/drivers/media/usb/au0828/au0828-core.c
@@ -628,6 +628,8 @@ static int au0828_usb_probe(struct usb_interface *interface,
        if (retval) {
                pr_err("%s() au0282_dev_register failed to register on V4L2\n",
                        __func__);
+               mutex_unlock(&dev->lock);
+               kfree(dev);
                goto done;
        }