From: Julia Lawall <Julia.Lawall@xxxxxxx>
At the point of the call to video_register_device, both dev->vbi_dev and
dev->vdev have been allocated, and so should be freed on failure. The
error-handling code is moved to the end of the function, to avoid code
duplication.
Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
---
drivers/media/video/au0828/au0828-video.c | 21 +++++++++++++--------
1 file changed, 13 insertions(+), 8 deletions(-)
diff --git a/drivers/media/video/au0828/au0828-video.c b/drivers/media/video/au0828/au0828-video.c
index 0b3e481..141f9c2 100644
--- a/drivers/media/video/au0828/au0828-video.c
+++ b/drivers/media/video/au0828/au0828-video.c
@@ -1881,7 +1881,7 @@ int au0828_analog_register(struct au0828_dev *dev,
int retval = -ENOMEM;
struct usb_host_interface *iface_desc;
struct usb_endpoint_descriptor *endpoint;
- int i;
+ int i, ret;
dprintk(1, "au0828_analog_register called!\n");
@@ -1951,8 +1951,8 @@ int au0828_analog_register(struct au0828_dev *dev,
dev->vbi_dev = video_device_alloc();
if (NULL == dev->vbi_dev) {
dprintk(1, "Can't allocate vbi_device.\n");
- kfree(dev->vdev);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto err_vdev;
}
/* Fill the video capture device struct */
@@ -1971,8 +1971,8 @@ int au0828_analog_register(struct au0828_dev *dev,
if (retval != 0) {
dprintk(1, "unable to register video device (error = %d).\n",
retval);
- video_device_release(dev->vdev);
- return -ENODEV;
+ ret = -ENODEV;
+ goto err_vbi_dev;
}
/* Register the vbi device */
@@ -1981,13 +1981,18 @@ int au0828_analog_register(struct au0828_dev *dev,
if (retval != 0) {
dprintk(1, "unable to register vbi device (error = %d).\n",
retval);
- video_device_release(dev->vbi_dev);
- video_device_release(dev->vdev);
- return -ENODEV;
+ ret = -ENODEV;
+ goto err_vbi_dev;
}
dprintk(1, "%s completed!\n", __func__);
return 0;
+
+err_vbi_dev:
+ video_device_release(dev->vbi_dev);
+err_vdev:
+ video_device_release(dev->vdev);
+ return ret;
}
--
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