media: pxa_camera: add missed tasklet_kill

This driver forgets to kill tasklet when probe fails and remove.
Add the calls to fix it.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/platform/pxa_camera.c

@@ -2530,6 +2530,7 @@ static int pxa_camera_probe(struct platform_device *pdev)
 	v4l2_device_unregister(&pcdev->v4l2_dev);
 exit_deactivate:
 	pxa_camera_deactivate(pcdev);
+	tasklet_kill(&pcdev->task_eof);
 exit_free_dma:
 	dma_release_channel(pcdev->dma_chans[2]);
 exit_free_dma_u:
@@ -2544,6 +2545,7 @@ static int pxa_camera_remove(struct platform_device *pdev)
 	struct pxa_camera_dev *pcdev = dev_get_drvdata(&pdev->dev);
 
 	pxa_camera_deactivate(pcdev);
+	tasklet_kill(&pcdev->task_eof);
 	dma_release_channel(pcdev->dma_chans[0]);
 	dma_release_channel(pcdev->dma_chans[1]);
 	dma_release_channel(pcdev->dma_chans[2]);