[media] staging: dt3155v4l: Switch to using managed resource with devm_
This patch uses managed resource APIs to allocate memory
in order to simplify the driver unload or failure cases
Signed-off-by: Kiran Padwal <kiran.padwal@smartplayin.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/staging/media/dt3155v4l/dt3155v4l.c b/drivers/staging/media/dt3155v4l/dt3155v4l.c
index 293ffda..e60a53e 100644
--- a/drivers/staging/media/dt3155v4l/dt3155v4l.c
+++ b/drivers/staging/media/dt3155v4l/dt3155v4l.c
@@ -901,14 +901,13 @@
err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
if (err)
return -ENODEV;
- pd = kzalloc(sizeof(*pd), GFP_KERNEL);
+ pd = devm_kzalloc(&pdev->dev, sizeof(*pd), GFP_KERNEL);
if (!pd)
return -ENOMEM;
pd->vdev = video_device_alloc();
- if (!pd->vdev) {
- err = -ENOMEM;
- goto err_video_device_alloc;
- }
+ if (!pd->vdev)
+ return -ENOMEM;
+
*pd->vdev = dt3155_vdev;
pci_set_drvdata(pdev, pd); /* for use in dt3155_remove() */
video_set_drvdata(pd->vdev, pd); /* for use in video_fops */
@@ -951,8 +950,7 @@
pci_disable_device(pdev);
err_enable_dev:
video_device_release(pd->vdev);
-err_video_device_alloc:
- kfree(pd);
+
return err;
}
@@ -970,7 +968,6 @@
* video_device_release() is invoked automatically
* see: struct video_device dt3155_vdev
*/
- kfree(pd);
}
static const struct pci_device_id pci_ids[] = {